Home / 87,773,998.60-131,669,658.42-30,258,697.96

Finding the Fourth Proportional to 87,773,998.60, 131,669,658.42 and 30,258,697.96

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Solution

The fourth proportional to 87,773,998.60, 131,669,658.42 and 30,258,697.96 is: 45,391,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,773,998.60 : 131,669,658.42 = 30,258,697.96 : x
  2. Step 2: Convert to fraction form
    87,773,998.60/131,669,658.42 = 30,258,697.96/x
  3. Step 3: Cross multiply
    87,773,998.60x = 131,669,658.42 × 30,258,697.96
  4. Step 4: Simplify right side
    87,773,998.60x = 3,984,152,424,627,151
  5. Step 5: Solve for x
    x = 3,984,152,424,627,151/87,773,998.60
  6. Step 6: Final answer
    x = 45,391,032.52

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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.