Home / 89,816,602.50-123,834,555.72-74,953,378.70

Finding the Fourth Proportional to 89,816,602.50, 123,834,555.72 and 74,953,378.70

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Solution

The fourth proportional to 89,816,602.50, 123,834,555.72 and 74,953,378.70 is: 103,341,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816,602.50 : 123,834,555.72 = 74,953,378.70 : x
  2. Step 2: Convert to fraction form
    89,816,602.50/123,834,555.72 = 74,953,378.70/x
  3. Step 3: Cross multiply
    89,816,602.50x = 123,834,555.72 × 74,953,378.70
  4. Step 4: Simplify right side
    89,816,602.50x = 9,281,818,351,027,412
  5. Step 5: Solve for x
    x = 9,281,818,351,027,412/89,816,602.50
  6. Step 6: Final answer
    x = 103,341,899.97

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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.