Home / 87,718,961.04-131,654,024.40-60,811,512.72

Finding the Fourth Proportional to 87,718,961.04, 131,654,024.40 and 60,811,512.72

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Solution

The fourth proportional to 87,718,961.04, 131,654,024.40 and 60,811,512.72 is: 91,269,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,718,961.04 : 131,654,024.40 = 60,811,512.72 : x
  2. Step 2: Convert to fraction form
    87,718,961.04/131,654,024.40 = 60,811,512.72/x
  3. Step 3: Cross multiply
    87,718,961.04x = 131,654,024.40 × 60,811,512.72
  4. Step 4: Simplify right side
    87,718,961.04x = 8,006,080,379,439,791
  5. Step 5: Solve for x
    x = 8,006,080,379,439,791/87,718,961.04
  6. Step 6: Final answer
    x = 91,269,667.18

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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.