Home / 87,486,921.60-131,229,905.04-35,671,320.96

Finding the Fourth Proportional to 87,486,921.60, 131,229,905.04 and 35,671,320.96

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Solution

The fourth proportional to 87,486,921.60, 131,229,905.04 and 35,671,320.96 is: 53,506,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,486,921.60 : 131,229,905.04 = 35,671,320.96 : x
  2. Step 2: Convert to fraction form
    87,486,921.60/131,229,905.04 = 35,671,320.96/x
  3. Step 3: Cross multiply
    87,486,921.60x = 131,229,905.04 × 35,671,320.96
  4. Step 4: Simplify right side
    87,486,921.60x = 4,681,144,062,232,162
  5. Step 5: Solve for x
    x = 4,681,144,062,232,162/87,486,921.60
  6. Step 6: Final answer
    x = 53,506,786.80

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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.