Home / 80,246,043.18-110,737,665.54-47,208,419.55

Finding the Fourth Proportional to 80,246,043.18, 110,737,665.54 and 47,208,419.55

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Solution

The fourth proportional to 80,246,043.18, 110,737,665.54 and 47,208,419.55 is: 65,146,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,246,043.18 : 110,737,665.54 = 47,208,419.55 : x
  2. Step 2: Convert to fraction form
    80,246,043.18/110,737,665.54 = 47,208,419.55/x
  3. Step 3: Cross multiply
    80,246,043.18x = 110,737,665.54 × 47,208,419.55
  4. Step 4: Simplify right side
    80,246,043.18x = 5,227,750,174,799,897
  5. Step 5: Solve for x
    x = 5,227,750,174,799,897/80,246,043.18
  6. Step 6: Final answer
    x = 65,146,516.48

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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.