Home / 87,552,013.20-131,328,019.80-82,849,088.40

Finding the Fourth Proportional to 87,552,013.20, 131,328,019.80 and 82,849,088.40

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Solution

The fourth proportional to 87,552,013.20, 131,328,019.80 and 82,849,088.40 is: 124,273,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,013.20 : 131,328,019.80 = 82,849,088.40 : x
  2. Step 2: Convert to fraction form
    87,552,013.20/131,328,019.80 = 82,849,088.40/x
  3. Step 3: Cross multiply
    87,552,013.20x = 131,328,019.80 × 82,849,088.40
  4. Step 4: Simplify right side
    87,552,013.20x = 10,880,406,721,807,150
  5. Step 5: Solve for x
    x = 10,880,406,721,807,150/87,552,013.20
  6. Step 6: Final answer
    x = 124,273,632.60

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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.