Home / 81,828,517.34-112,924,400.20-48,339,098.43

Finding the Fourth Proportional to 81,828,517.34, 112,924,400.20 and 48,339,098.43

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Solution

The fourth proportional to 81,828,517.34, 112,924,400.20 and 48,339,098.43 is: 66,708,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,828,517.34 : 112,924,400.20 = 48,339,098.43 : x
  2. Step 2: Convert to fraction form
    81,828,517.34/112,924,400.20 = 48,339,098.43/x
  3. Step 3: Cross multiply
    81,828,517.34x = 112,924,400.20 × 48,339,098.43
  4. Step 4: Simplify right side
    81,828,517.34x = 5,458,663,695,872,198
  5. Step 5: Solve for x
    x = 5,458,663,695,872,198/81,828,517.34
  6. Step 6: Final answer
    x = 66,708,573.90

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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.