Home / 87,335,998.80-131,003,998.20-60,126,219.60

Finding the Fourth Proportional to 87,335,998.80, 131,003,998.20 and 60,126,219.60

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Solution

The fourth proportional to 87,335,998.80, 131,003,998.20 and 60,126,219.60 is: 90,189,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335,998.80 : 131,003,998.20 = 60,126,219.60 : x
  2. Step 2: Convert to fraction form
    87,335,998.80/131,003,998.20 = 60,126,219.60/x
  3. Step 3: Cross multiply
    87,335,998.80x = 131,003,998.20 × 60,126,219.60
  4. Step 4: Simplify right side
    87,335,998.80x = 7,876,775,164,251,205
  5. Step 5: Solve for x
    x = 7,876,775,164,251,205/87,335,998.80
  6. Step 6: Final answer
    x = 90,189,329.40

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1.5x scale

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.