Home / 71,932,112.80-107,898,169.20-26,488,002.40

Finding the Fourth Proportional to 71,932,112.80, 107,898,169.20 and 26,488,002.40

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Solution

The fourth proportional to 71,932,112.80, 107,898,169.20 and 26,488,002.40 is: 39,732,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,932,112.80 : 107,898,169.20 = 26,488,002.40 : x
  2. Step 2: Convert to fraction form
    71,932,112.80/107,898,169.20 = 26,488,002.40/x
  3. Step 3: Cross multiply
    71,932,112.80x = 107,898,169.20 × 26,488,002.40
  4. Step 4: Simplify right side
    71,932,112.80x = 2,858,006,964,725,206
  5. Step 5: Solve for x
    x = 2,858,006,964,725,206/71,932,112.80
  6. Step 6: Final answer
    x = 39,732,003.60

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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.