Home / 87,786,808.26-131,146,280.40-56,829,188.76

Finding the Fourth Proportional to 87,786,808.26, 131,146,280.40 and 56,829,188.76

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Solution

The fourth proportional to 87,786,808.26, 131,146,280.40 and 56,829,188.76 is: 84,898,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786,808.26 : 131,146,280.40 = 56,829,188.76 : x
  2. Step 2: Convert to fraction form
    87,786,808.26/131,146,280.40 = 56,829,188.76/x
  3. Step 3: Cross multiply
    87,786,808.26x = 131,146,280.40 × 56,829,188.76
  4. Step 4: Simplify right side
    87,786,808.26x = 7,452,936,724,023,488
  5. Step 5: Solve for x
    x = 7,452,936,724,023,488/87,786,808.26
  6. Step 6: Final answer
    x = 84,898,139.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.