Home / 360,535,758.54-540,727,960.68-101,690,445.78

Finding the Fourth Proportional to 360,535,758.54, 540,727,960.68 and 101,690,445.78

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Solution

The fourth proportional to 360,535,758.54, 540,727,960.68 and 101,690,445.78 is: 152,514,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,535,758.54 : 540,727,960.68 = 101,690,445.78 : x
  2. Step 2: Convert to fraction form
    360,535,758.54/540,727,960.68 = 101,690,445.78/x
  3. Step 3: Cross multiply
    360,535,758.54x = 540,727,960.68 × 101,690,445.78
  4. Step 4: Simplify right side
    360,535,758.54x = 54,986,867,367,259,504
  5. Step 5: Solve for x
    x = 54,986,867,367,259,504/360,535,758.54
  6. Step 6: Final answer
    x = 152,514,323.66

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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.