Home / 74,468,155.29-102,766,984.03-40,981,487.01

Finding the Fourth Proportional to 74,468,155.29, 102,766,984.03 and 40,981,487.01

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Solution

The fourth proportional to 74,468,155.29, 102,766,984.03 and 40,981,487.01 is: 56,554,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,155.29 : 102,766,984.03 = 40,981,487.01 : x
  2. Step 2: Convert to fraction form
    74,468,155.29/102,766,984.03 = 40,981,487.01/x
  3. Step 3: Cross multiply
    74,468,155.29x = 102,766,984.03 × 40,981,487.01
  4. Step 4: Simplify right side
    74,468,155.29x = 4,211,543,821,082,322.50
  5. Step 5: Solve for x
    x = 4,211,543,821,082,322.50/74,468,155.29
  6. Step 6: Final answer
    x = 56,554,963.72

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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.