Home / 54,281,863.20-81,422,794.80-28,772,695.20

Finding the Fourth Proportional to 54,281,863.20, 81,422,794.80 and 28,772,695.20

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Solution

The fourth proportional to 54,281,863.20, 81,422,794.80 and 28,772,695.20 is: 43,159,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,863.20 : 81,422,794.80 = 28,772,695.20 : x
  2. Step 2: Convert to fraction form
    54,281,863.20/81,422,794.80 = 28,772,695.20/x
  3. Step 3: Cross multiply
    54,281,863.20x = 81,422,794.80 × 28,772,695.20
  4. Step 4: Simplify right side
    54,281,863.20x = 2,342,753,257,112,545
  5. Step 5: Solve for x
    x = 2,342,753,257,112,545/54,281,863.20
  6. Step 6: Final answer
    x = 43,159,042.80

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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.