Home / 89,816,598.50-123,834,550.21-74,953,374.71

Finding the Fourth Proportional to 89,816,598.50, 123,834,550.21 and 74,953,374.71

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Solution

The fourth proportional to 89,816,598.50, 123,834,550.21 and 74,953,374.71 is: 103,341,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816,598.50 : 123,834,550.21 = 74,953,374.71 : x
  2. Step 2: Convert to fraction form
    89,816,598.50/123,834,550.21 = 74,953,374.71/x
  3. Step 3: Cross multiply
    89,816,598.50x = 123,834,550.21 × 74,953,374.71
  4. Step 4: Simplify right side
    89,816,598.50x = 9,281,817,443,127,882
  5. Step 5: Solve for x
    x = 9,281,817,443,127,882/89,816,598.50
  6. Step 6: Final answer
    x = 103,341,894.47

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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.