Home / 87,328,284.80-131,004,091.20-29,806,102.40

Finding the Fourth Proportional to 87,328,284.80, 131,004,091.20 and 29,806,102.40

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Solution

The fourth proportional to 87,328,284.80, 131,004,091.20 and 29,806,102.40 is: 44,713,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328,284.80 : 131,004,091.20 = 29,806,102.40 : x
  2. Step 2: Convert to fraction form
    87,328,284.80/131,004,091.20 = 29,806,102.40/x
  3. Step 3: Cross multiply
    87,328,284.80x = 131,004,091.20 × 29,806,102.40
  4. Step 4: Simplify right side
    87,328,284.80x = 3,904,721,357,126,139
  5. Step 5: Solve for x
    x = 3,904,721,357,126,139/87,328,284.80
  6. Step 6: Final answer
    x = 44,713,134.65

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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.