Home / 54,252,472.20-81,378,708.30-15,917,861.40

Finding the Fourth Proportional to 54,252,472.20, 81,378,708.30 and 15,917,861.40

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Solution

The fourth proportional to 54,252,472.20, 81,378,708.30 and 15,917,861.40 is: 23,876,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252,472.20 : 81,378,708.30 = 15,917,861.40 : x
  2. Step 2: Convert to fraction form
    54,252,472.20/81,378,708.30 = 15,917,861.40/x
  3. Step 3: Cross multiply
    54,252,472.20x = 81,378,708.30 × 15,917,861.40
  4. Step 4: Simplify right side
    54,252,472.20x = 1,295,374,999,630,429.50
  5. Step 5: Solve for x
    x = 1,295,374,999,630,429.50/54,252,472.20
  6. Step 6: Final answer
    x = 23,876,792.10

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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.