Home / 272,172,760.80-408,259,141.20-157,381,504.80

Finding the Fourth Proportional to 272,172,760.80, 408,259,141.20 and 157,381,504.80

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Solution

The fourth proportional to 272,172,760.80, 408,259,141.20 and 157,381,504.80 is: 236,072,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,172,760.80 : 408,259,141.20 = 157,381,504.80 : x
  2. Step 2: Convert to fraction form
    272,172,760.80/408,259,141.20 = 157,381,504.80/x
  3. Step 3: Cross multiply
    272,172,760.80x = 408,259,141.20 × 157,381,504.80
  4. Step 4: Simplify right side
    272,172,760.80x = 64,252,437,990,411,680
  5. Step 5: Solve for x
    x = 64,252,437,990,411,680/272,172,760.80
  6. Step 6: Final answer
    x = 236,072,257.20

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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.