Home / 195,261,437.43-292,882,691.90-72,463,694.72

Finding the Fourth Proportional to 195,261,437.43, 292,882,691.90 and 72,463,694.72

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Solution

The fourth proportional to 195,261,437.43, 292,882,691.90 and 72,463,694.72 is: 108,692,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,261,437.43 : 292,882,691.90 = 72,463,694.72 : x
  2. Step 2: Convert to fraction form
    195,261,437.43/292,882,691.90 = 72,463,694.72/x
  3. Step 3: Cross multiply
    195,261,437.43x = 292,882,691.90 × 72,463,694.72
  4. Step 4: Simplify right side
    195,261,437.43x = 21,223,361,973,330,160
  5. Step 5: Solve for x
    x = 21,223,361,973,330,160/195,261,437.43
  6. Step 6: Final answer
    x = 108,692,029.79

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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.