Home / 266,320,265.25-399,480,397.88-74,844,041.25

Finding the Fourth Proportional to 266,320,265.25, 399,480,397.88 and 74,844,041.25

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Solution

The fourth proportional to 266,320,265.25, 399,480,397.88 and 74,844,041.25 is: 112,266,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,320,265.25 : 399,480,397.88 = 74,844,041.25 : x
  2. Step 2: Convert to fraction form
    266,320,265.25/399,480,397.88 = 74,844,041.25/x
  3. Step 3: Cross multiply
    266,320,265.25x = 399,480,397.88 × 74,844,041.25
  4. Step 4: Simplify right side
    266,320,265.25x = 29,898,727,377,122,912
  5. Step 5: Solve for x
    x = 29,898,727,377,122,912/266,320,265.25
  6. Step 6: Final answer
    x = 112,266,061.88

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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.