Home / 72,799,474.88-109,115,231.52-27,332,269.76

Finding the Fourth Proportional to 72,799,474.88, 109,115,231.52 and 27,332,269.76

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Solution

The fourth proportional to 72,799,474.88, 109,115,231.52 and 27,332,269.76 is: 40,966,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,799,474.88 : 109,115,231.52 = 27,332,269.76 : x
  2. Step 2: Convert to fraction form
    72,799,474.88/109,115,231.52 = 27,332,269.76/x
  3. Step 3: Cross multiply
    72,799,474.88x = 109,115,231.52 × 27,332,269.76
  4. Step 4: Simplify right side
    72,799,474.88x = 2,982,366,942,829,495
  5. Step 5: Solve for x
    x = 2,982,366,942,829,495/72,799,474.88
  6. Step 6: Final answer
    x = 40,966,874.39

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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.