Home / 87,238,157.40-130,858,592.39-25,833,526.72

Finding the Fourth Proportional to 87,238,157.40, 130,858,592.39 and 25,833,526.72

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Solution

The fourth proportional to 87,238,157.40, 130,858,592.39 and 25,833,526.72 is: 38,750,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,238,157.40 : 130,858,592.39 = 25,833,526.72 : x
  2. Step 2: Convert to fraction form
    87,238,157.40/130,858,592.39 = 25,833,526.72/x
  3. Step 3: Cross multiply
    87,238,157.40x = 130,858,592.39 × 25,833,526.72
  4. Step 4: Simplify right side
    87,238,157.40x = 3,380,538,942,265,193
  5. Step 5: Solve for x
    x = 3,380,538,942,265,193/87,238,157.40
  6. Step 6: Final answer
    x = 38,750,691.70

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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.