Home / 69,108,158,277.01-103,662,237,415.51-19,421,480,562.76

Finding the Fourth Proportional to 69,108,158,277.01, 103,662,237,415.51 and 19,421,480,562.76

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Solution

The fourth proportional to 69,108,158,277.01, 103,662,237,415.51 and 19,421,480,562.76 is: 29,132,220,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,277.01 : 103,662,237,415.51 = 19,421,480,562.76 : x
  2. Step 2: Convert to fraction form
    69,108,158,277.01/103,662,237,415.51 = 19,421,480,562.76/x
  3. Step 3: Cross multiply
    69,108,158,277.01x = 103,662,237,415.51 × 19,421,480,562.76
  4. Step 4: Simplify right side
    69,108,158,277.01x = 2,013,274,129,057,228,783,616
  5. Step 5: Solve for x
    x = 2,013,274,129,057,228,783,616/69,108,158,277.01
  6. Step 6: Final answer
    x = 29,132,220,844.14

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Double scale
Find fourth proportional to 69,108,158,278.01, 103,662,237,417.01 and 19,421,480,563.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.