Home / 96,788,003.70-145,182,005.55-86,206,422.90

Finding the Fourth Proportional to 96,788,003.70, 145,182,005.55 and 86,206,422.90

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Solution

The fourth proportional to 96,788,003.70, 145,182,005.55 and 86,206,422.90 is: 129,309,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,788,003.70 : 145,182,005.55 = 86,206,422.90 : x
  2. Step 2: Convert to fraction form
    96,788,003.70/145,182,005.55 = 86,206,422.90/x
  3. Step 3: Cross multiply
    96,788,003.70x = 145,182,005.55 × 86,206,422.90
  4. Step 4: Simplify right side
    96,788,003.70x = 12,515,621,367,913,448
  5. Step 5: Solve for x
    x = 12,515,621,367,913,448/96,788,003.70
  6. Step 6: Final answer
    x = 129,309,634.35

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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.