Home / 87,908,115.80-131,862,173.70-70,902,003.80

Finding the Fourth Proportional to 87,908,115.80, 131,862,173.70 and 70,902,003.80

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Solution

The fourth proportional to 87,908,115.80, 131,862,173.70 and 70,902,003.80 is: 106,353,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908,115.80 : 131,862,173.70 = 70,902,003.80 : x
  2. Step 2: Convert to fraction form
    87,908,115.80/131,862,173.70 = 70,902,003.80/x
  3. Step 3: Cross multiply
    87,908,115.80x = 131,862,173.70 × 70,902,003.80
  4. Step 4: Simplify right side
    87,908,115.80x = 9,349,292,340,753,660
  5. Step 5: Solve for x
    x = 9,349,292,340,753,660/87,908,115.80
  6. Step 6: Final answer
    x = 106,353,005.70

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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.