Home / 57,198,710.93-78,933,660.30-31,091,675.45

Finding the Fourth Proportional to 57,198,710.93, 78,933,660.30 and 31,091,675.45

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Solution

The fourth proportional to 57,198,710.93, 78,933,660.30 and 31,091,675.45 is: 42,906,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,198,710.93 : 78,933,660.30 = 31,091,675.45 : x
  2. Step 2: Convert to fraction form
    57,198,710.93/78,933,660.30 = 31,091,675.45/x
  3. Step 3: Cross multiply
    57,198,710.93x = 78,933,660.30 × 31,091,675.45
  4. Step 4: Simplify right side
    57,198,710.93x = 2,454,179,747,733,481.50
  5. Step 5: Solve for x
    x = 2,454,179,747,733,481.50/57,198,710.93
  6. Step 6: Final answer
    x = 42,906,207.29

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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.