Home / 81,542,930.83-112,527,789.20-44,371,943.35

Finding the Fourth Proportional to 81,542,930.83, 112,527,789.20 and 44,371,943.35

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Solution

The fourth proportional to 81,542,930.83, 112,527,789.20 and 44,371,943.35 is: 61,232,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,542,930.83 : 112,527,789.20 = 44,371,943.35 : x
  2. Step 2: Convert to fraction form
    81,542,930.83/112,527,789.20 = 44,371,943.35/x
  3. Step 3: Cross multiply
    81,542,930.83x = 112,527,789.20 × 44,371,943.35
  4. Step 4: Simplify right side
    81,542,930.83x = 4,993,076,687,346,357
  5. Step 5: Solve for x
    x = 4,993,076,687,346,357/81,542,930.83
  6. Step 6: Final answer
    x = 61,232,489.89

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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.