Home / 69,108,158,277.38-103,662,237,416.07-19,421,480,563.13

Finding the Fourth Proportional to 69,108,158,277.38, 103,662,237,416.07 and 19,421,480,563.13

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Solution

The fourth proportional to 69,108,158,277.38, 103,662,237,416.07 and 19,421,480,563.13 is: 29,132,220,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,277.38 : 103,662,237,416.07 = 19,421,480,563.13 : x
  2. Step 2: Convert to fraction form
    69,108,158,277.38/103,662,237,416.07 = 19,421,480,563.13/x
  3. Step 3: Cross multiply
    69,108,158,277.38x = 103,662,237,416.07 × 19,421,480,563.13
  4. Step 4: Simplify right side
    69,108,158,277.38x = 2,013,274,129,106,978,471,936
  5. Step 5: Solve for x
    x = 2,013,274,129,106,978,471,936/69,108,158,277.38
  6. Step 6: Final answer
    x = 29,132,220,844.70

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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.