Home / 69,108,158,285.77-103,662,237,428.64-19,421,480,571.52

Finding the Fourth Proportional to 69,108,158,285.77, 103,662,237,428.64 and 19,421,480,571.52

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Solution

The fourth proportional to 69,108,158,285.77, 103,662,237,428.64 and 19,421,480,571.52 is: 29,132,220,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,285.77 : 103,662,237,428.64 = 19,421,480,571.52 : x
  2. Step 2: Convert to fraction form
    69,108,158,285.77/103,662,237,428.64 = 19,421,480,571.52/x
  3. Step 3: Cross multiply
    69,108,158,285.77x = 103,662,237,428.64 × 19,421,480,571.52
  4. Step 4: Simplify right side
    69,108,158,285.77x = 2,013,274,130,220,625,166,336
  5. Step 5: Solve for x
    x = 2,013,274,130,220,625,166,336/69,108,158,285.77
  6. Step 6: Final answer
    x = 29,132,220,857.28

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Double scale
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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.