Home / 81,536,215.71-112,542,043.64-48,074,882.43

Finding the Fourth Proportional to 81,536,215.71, 112,542,043.64 and 48,074,882.43

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Solution

The fourth proportional to 81,536,215.71, 112,542,043.64 and 48,074,882.43 is: 66,356,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536,215.71 : 112,542,043.64 = 48,074,882.43 : x
  2. Step 2: Convert to fraction form
    81,536,215.71/112,542,043.64 = 48,074,882.43/x
  3. Step 3: Cross multiply
    81,536,215.71x = 112,542,043.64 × 48,074,882.43
  4. Step 4: Simplify right side
    81,536,215.71x = 5,410,445,516,184,555
  5. Step 5: Solve for x
    x = 5,410,445,516,184,555/81,536,215.71
  6. Step 6: Final answer
    x = 66,356,348.15

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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.