Home / 129,088,220.80-193,632,331.20-48,298,691.20

Finding the Fourth Proportional to 129,088,220.80, 193,632,331.20 and 48,298,691.20

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Solution

The fourth proportional to 129,088,220.80, 193,632,331.20 and 48,298,691.20 is: 72,448,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,088,220.80 : 193,632,331.20 = 48,298,691.20 : x
  2. Step 2: Convert to fraction form
    129,088,220.80/193,632,331.20 = 48,298,691.20/x
  3. Step 3: Cross multiply
    129,088,220.80x = 193,632,331.20 × 48,298,691.20
  4. Step 4: Simplify right side
    129,088,220.80x = 9,352,188,170,964,926
  5. Step 5: Solve for x
    x = 9,352,188,170,964,926/129,088,220.80
  6. Step 6: Final answer
    x = 72,448,036.80

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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.