Home / 87,376,650.80-131,112,215.40-38,861,992.40

Finding the Fourth Proportional to 87,376,650.80, 131,112,215.40 and 38,861,992.40

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Solution

The fourth proportional to 87,376,650.80, 131,112,215.40 and 38,861,992.40 is: 58,313,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,376,650.80 : 131,112,215.40 = 38,861,992.40 : x
  2. Step 2: Convert to fraction form
    87,376,650.80/131,112,215.40 = 38,861,992.40/x
  3. Step 3: Cross multiply
    87,376,650.80x = 131,112,215.40 × 38,861,992.40
  4. Step 4: Simplify right side
    87,376,650.80x = 5,095,281,918,421,963
  5. Step 5: Solve for x
    x = 5,095,281,918,421,963/87,376,650.80
  6. Step 6: Final answer
    x = 58,313,998.90

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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.