Home / 51,229,772.20-76,888,203.90-20,959,359.40

Finding the Fourth Proportional to 51,229,772.20, 76,888,203.90 and 20,959,359.40

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Solution

The fourth proportional to 51,229,772.20, 76,888,203.90 and 20,959,359.40 is: 31,456,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229,772.20 : 76,888,203.90 = 20,959,359.40 : x
  2. Step 2: Convert to fraction form
    51,229,772.20/76,888,203.90 = 20,959,359.40/x
  3. Step 3: Cross multiply
    51,229,772.20x = 76,888,203.90 × 20,959,359.40
  4. Step 4: Simplify right side
    51,229,772.20x = 1,611,527,499,160,581.75
  5. Step 5: Solve for x
    x = 1,611,527,499,160,581.75/51,229,772.20
  6. Step 6: Final answer
    x = 31,456,854.68

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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.