Home / 96,770,138.60-145,155,207.90-72,583,668.20

Finding the Fourth Proportional to 96,770,138.60, 145,155,207.90 and 72,583,668.20

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Solution

The fourth proportional to 96,770,138.60, 145,155,207.90 and 72,583,668.20 is: 108,875,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,770,138.60 : 145,155,207.90 = 72,583,668.20 : x
  2. Step 2: Convert to fraction form
    96,770,138.60/145,155,207.90 = 72,583,668.20/x
  3. Step 3: Cross multiply
    96,770,138.60x = 145,155,207.90 × 72,583,668.20
  4. Step 4: Simplify right side
    96,770,138.60x = 10,535,897,447,715,620
  5. Step 5: Solve for x
    x = 10,535,897,447,715,620/96,770,138.60
  6. Step 6: Final answer
    x = 108,875,502.30

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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.