Home / 87,276,964.35-120,557,179.46-64,691,123.56

Finding the Fourth Proportional to 87,276,964.35, 120,557,179.46 and 64,691,123.56

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Solution

The fourth proportional to 87,276,964.35, 120,557,179.46 and 64,691,123.56 is: 89,358,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276,964.35 : 120,557,179.46 = 64,691,123.56 : x
  2. Step 2: Convert to fraction form
    87,276,964.35/120,557,179.46 = 64,691,123.56/x
  3. Step 3: Cross multiply
    87,276,964.35x = 120,557,179.46 × 64,691,123.56
  4. Step 4: Simplify right side
    87,276,964.35x = 7,798,979,392,666,212
  5. Step 5: Solve for x
    x = 7,798,979,392,666,212/87,276,964.35
  6. Step 6: Final answer
    x = 89,358,967.18

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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.