Home / 231,255,678.04-319,103,415.22-132,142,850.04

Finding the Fourth Proportional to 231,255,678.04, 319,103,415.22 and 132,142,850.04

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Solution

The fourth proportional to 231,255,678.04, 319,103,415.22 and 132,142,850.04 is: 182,340,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,255,678.04 : 319,103,415.22 = 132,142,850.04 : x
  2. Step 2: Convert to fraction form
    231,255,678.04/319,103,415.22 = 132,142,850.04/x
  3. Step 3: Cross multiply
    231,255,678.04x = 319,103,415.22 × 132,142,850.04
  4. Step 4: Simplify right side
    231,255,678.04x = 42,167,234,744,668,320
  5. Step 5: Solve for x
    x = 42,167,234,744,668,320/231,255,678.04
  6. Step 6: Final answer
    x = 182,340,321.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.