Home / 72,884,253.38-100,581,464.61-43,518,152.12

Finding the Fourth Proportional to 72,884,253.38, 100,581,464.61 and 43,518,152.12

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Solution

The fourth proportional to 72,884,253.38, 100,581,464.61 and 43,518,152.12 is: 60,055,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,884,253.38 : 100,581,464.61 = 43,518,152.12 : x
  2. Step 2: Convert to fraction form
    72,884,253.38/100,581,464.61 = 43,518,152.12/x
  3. Step 3: Cross multiply
    72,884,253.38x = 100,581,464.61 × 43,518,152.12
  4. Step 4: Simplify right side
    72,884,253.38x = 4,377,119,476,847,469.50
  5. Step 5: Solve for x
    x = 4,377,119,476,847,469.50/72,884,253.38
  6. Step 6: Final answer
    x = 60,055,763.41

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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.