Home / 87,689,619.10-131,534,428.65-87,689,619.10

Finding the Fourth Proportional to 87,689,619.10, 131,534,428.65 and 87,689,619.10

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Solution

The fourth proportional to 87,689,619.10, 131,534,428.65 and 87,689,619.10 is: 131,534,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,689,619.10 : 131,534,428.65 = 87,689,619.10 : x
  2. Step 2: Convert to fraction form
    87,689,619.10/131,534,428.65 = 87,689,619.10/x
  3. Step 3: Cross multiply
    87,689,619.10x = 131,534,428.65 × 87,689,619.10
  4. Step 4: Simplify right side
    87,689,619.10x = 11,534,203,946,854,626
  5. Step 5: Solve for x
    x = 11,534,203,946,854,626/87,689,619.10
  6. Step 6: Final answer
    x = 131,534,428.65

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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.