Home / 56,979,422.80-85,469,134.20-51,306,053.20

Finding the Fourth Proportional to 56,979,422.80, 85,469,134.20 and 51,306,053.20

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Solution

The fourth proportional to 56,979,422.80, 85,469,134.20 and 51,306,053.20 is: 76,959,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,422.80 : 85,469,134.20 = 51,306,053.20 : x
  2. Step 2: Convert to fraction form
    56,979,422.80/85,469,134.20 = 51,306,053.20/x
  3. Step 3: Cross multiply
    56,979,422.80x = 85,469,134.20 × 51,306,053.20
  4. Step 4: Simplify right side
    56,979,422.80x = 4,385,083,946,223,140
  5. Step 5: Solve for x
    x = 4,385,083,946,223,140/56,979,422.80
  6. Step 6: Final answer
    x = 76,959,079.80

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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.