Home / 57,979,436.80-86,979,652.80-29,153,027.20

Finding the Fourth Proportional to 57,979,436.80, 86,979,652.80 and 29,153,027.20

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Solution

The fourth proportional to 57,979,436.80, 86,979,652.80 and 29,153,027.20 is: 43,734,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979,436.80 : 86,979,652.80 = 29,153,027.20 : x
  2. Step 2: Convert to fraction form
    57,979,436.80/86,979,652.80 = 29,153,027.20/x
  3. Step 3: Cross multiply
    57,979,436.80x = 86,979,652.80 × 29,153,027.20
  4. Step 4: Simplify right side
    57,979,436.80x = 2,535,720,183,924,956
  5. Step 5: Solve for x
    x = 2,535,720,183,924,956/57,979,436.80
  6. Step 6: Final answer
    x = 43,734,819.17

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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.