Home / 87,461,430.40-131,192,145.60-82,758,505.60

Finding the Fourth Proportional to 87,461,430.40, 131,192,145.60 and 82,758,505.60

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Solution

The fourth proportional to 87,461,430.40, 131,192,145.60 and 82,758,505.60 is: 124,137,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,461,430.40 : 131,192,145.60 = 82,758,505.60 : x
  2. Step 2: Convert to fraction form
    87,461,430.40/131,192,145.60 = 82,758,505.60/x
  3. Step 3: Cross multiply
    87,461,430.40x = 131,192,145.60 × 82,758,505.60
  4. Step 4: Simplify right side
    87,461,430.40x = 10,857,265,916,313,614
  5. Step 5: Solve for x
    x = 10,857,265,916,313,614/87,461,430.40
  6. Step 6: Final answer
    x = 124,137,758.40

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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.