Home / 96,788,000.70-145,182,001.05-86,206,419.90

Finding the Fourth Proportional to 96,788,000.70, 145,182,001.05 and 86,206,419.90

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Solution

The fourth proportional to 96,788,000.70, 145,182,001.05 and 86,206,419.90 is: 129,309,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,788,000.70 : 145,182,001.05 = 86,206,419.90 : x
  2. Step 2: Convert to fraction form
    96,788,000.70/145,182,001.05 = 86,206,419.90/x
  3. Step 3: Cross multiply
    96,788,000.70x = 145,182,001.05 × 86,206,419.90
  4. Step 4: Simplify right side
    96,788,000.70x = 12,515,620,544,438,542
  5. Step 5: Solve for x
    x = 12,515,620,544,438,542/96,788,000.70
  6. Step 6: Final answer
    x = 129,309,629.85

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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.