Home / 87,844,471.60-131,766,707.40-65,169,655.60

Finding the Fourth Proportional to 87,844,471.60, 131,766,707.40 and 65,169,655.60

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Solution

The fourth proportional to 87,844,471.60, 131,766,707.40 and 65,169,655.60 is: 97,754,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844,471.60 : 131,766,707.40 = 65,169,655.60 : x
  2. Step 2: Convert to fraction form
    87,844,471.60/131,766,707.40 = 65,169,655.60/x
  3. Step 3: Cross multiply
    87,844,471.60x = 131,766,707.40 × 65,169,655.60
  4. Step 4: Simplify right side
    87,844,471.60x = 8,587,190,940,803,972
  5. Step 5: Solve for x
    x = 8,587,190,940,803,972/87,844,471.60
  6. Step 6: Final answer
    x = 97,754,483.40

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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.