Home / 80,445,439.04-120,680,164.96-37,319,001.92

Finding the Fourth Proportional to 80,445,439.04, 120,680,164.96 and 37,319,001.92

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Solution

The fourth proportional to 80,445,439.04, 120,680,164.96 and 37,319,001.92 is: 55,984,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445,439.04 : 120,680,164.96 = 37,319,001.92 : x
  2. Step 2: Convert to fraction form
    80,445,439.04/120,680,164.96 = 37,319,001.92/x
  3. Step 3: Cross multiply
    80,445,439.04x = 120,680,164.96 × 37,319,001.92
  4. Step 4: Simplify right side
    80,445,439.04x = 4,503,663,307,848,157
  5. Step 5: Solve for x
    x = 4,503,663,307,848,157/80,445,439.04
  6. Step 6: Final answer
    x = 55,984,072.70

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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.