Home / 89,816,600.50-123,834,552.96-74,953,376.70

Finding the Fourth Proportional to 89,816,600.50, 123,834,552.96 and 74,953,376.70

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Solution

The fourth proportional to 89,816,600.50, 123,834,552.96 and 74,953,376.70 is: 103,341,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816,600.50 : 123,834,552.96 = 74,953,376.70 : x
  2. Step 2: Convert to fraction form
    89,816,600.50/123,834,552.96 = 74,953,376.70/x
  3. Step 3: Cross multiply
    89,816,600.50x = 123,834,552.96 × 74,953,376.70
  4. Step 4: Simplify right side
    89,816,600.50x = 9,281,817,896,486,980
  5. Step 5: Solve for x
    x = 9,281,817,896,486,980/89,816,600.50
  6. Step 6: Final answer
    x = 103,341,897.21

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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.