Home / 129,239,524.80-193,859,287.20-124,137,691.20

Finding the Fourth Proportional to 129,239,524.80, 193,859,287.20 and 124,137,691.20

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Solution

The fourth proportional to 129,239,524.80, 193,859,287.20 and 124,137,691.20 is: 186,206,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,239,524.80 : 193,859,287.20 = 124,137,691.20 : x
  2. Step 2: Convert to fraction form
    129,239,524.80/193,859,287.20 = 124,137,691.20/x
  3. Step 3: Cross multiply
    129,239,524.80x = 193,859,287.20 × 124,137,691.20
  4. Step 4: Simplify right side
    129,239,524.80x = 24,065,244,330,685,712
  5. Step 5: Solve for x
    x = 24,065,244,330,685,712/129,239,524.80
  6. Step 6: Final answer
    x = 186,206,536.80

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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.