Home / 360,535,755.54-540,727,956.18-101,690,442.78

Finding the Fourth Proportional to 360,535,755.54, 540,727,956.18 and 101,690,442.78

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Solution

The fourth proportional to 360,535,755.54, 540,727,956.18 and 101,690,442.78 is: 152,514,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,535,755.54 : 540,727,956.18 = 101,690,442.78 : x
  2. Step 2: Convert to fraction form
    360,535,755.54/540,727,956.18 = 101,690,442.78/x
  3. Step 3: Cross multiply
    360,535,755.54x = 540,727,956.18 × 101,690,442.78
  4. Step 4: Simplify right side
    360,535,755.54x = 54,986,865,287,468,632
  5. Step 5: Solve for x
    x = 54,986,865,287,468,632/360,535,755.54
  6. Step 6: Final answer
    x = 152,514,319.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.