Home / 87,307,191.16-130,974,239.28-29,786,053.72

Finding the Fourth Proportional to 87,307,191.16, 130,974,239.28 and 29,786,053.72

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Solution

The fourth proportional to 87,307,191.16, 130,974,239.28 and 29,786,053.72 is: 44,683,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,307,191.16 : 130,974,239.28 = 29,786,053.72 : x
  2. Step 2: Convert to fraction form
    87,307,191.16/130,974,239.28 = 29,786,053.72/x
  3. Step 3: Cross multiply
    87,307,191.16x = 130,974,239.28 × 29,786,053.72
  4. Step 4: Simplify right side
    87,307,191.16x = 3,901,205,727,130,214
  5. Step 5: Solve for x
    x = 3,901,205,727,130,214/87,307,191.16
  6. Step 6: Final answer
    x = 44,683,670.10

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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.