Home / 121,386,200.70-182,079,301.05-39,512,793.90

Finding the Fourth Proportional to 121,386,200.70, 182,079,301.05 and 39,512,793.90

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Solution

The fourth proportional to 121,386,200.70, 182,079,301.05 and 39,512,793.90 is: 59,269,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,386,200.70 : 182,079,301.05 = 39,512,793.90 : x
  2. Step 2: Convert to fraction form
    121,386,200.70/182,079,301.05 = 39,512,793.90/x
  3. Step 3: Cross multiply
    121,386,200.70x = 182,079,301.05 × 39,512,793.90
  4. Step 4: Simplify right side
    121,386,200.70x = 7,194,461,895,844,704
  5. Step 5: Solve for x
    x = 7,194,461,895,844,704/121,386,200.70
  6. Step 6: Final answer
    x = 59,269,190.85

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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.