Home / 90,031,781.38-124,205,813.04-60,272,017.02

Finding the Fourth Proportional to 90,031,781.38, 124,205,813.04 and 60,272,017.02

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Solution

The fourth proportional to 90,031,781.38, 124,205,813.04 and 60,272,017.02 is: 83,149,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,031,781.38 : 124,205,813.04 = 60,272,017.02 : x
  2. Step 2: Convert to fraction form
    90,031,781.38/124,205,813.04 = 60,272,017.02/x
  3. Step 3: Cross multiply
    90,031,781.38x = 124,205,813.04 × 60,272,017.02
  4. Step 4: Simplify right side
    90,031,781.38x = 7,486,134,877,755,839
  5. Step 5: Solve for x
    x = 7,486,134,877,755,839/90,031,781.38
  6. Step 6: Final answer
    x = 83,149,913.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.