Home / 80,232,591.29-120,343,000.49-25,630,516.15

Finding the Fourth Proportional to 80,232,591.29, 120,343,000.49 and 25,630,516.15

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Solution

The fourth proportional to 80,232,591.29, 120,343,000.49 and 25,630,516.15 is: 38,443,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,232,591.29 : 120,343,000.49 = 25,630,516.15 : x
  2. Step 2: Convert to fraction form
    80,232,591.29/120,343,000.49 = 25,630,516.15/x
  3. Step 3: Cross multiply
    80,232,591.29x = 120,343,000.49 × 25,630,516.15
  4. Step 4: Simplify right side
    80,232,591.29x = 3,084,453,217,712,072.50
  5. Step 5: Solve for x
    x = 3,084,453,217,712,072.50/80,232,591.29
  6. Step 6: Final answer
    x = 38,443,893.78

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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.