Home / 51,229,771.20-76,888,202.40-20,959,358.40

Finding the Fourth Proportional to 51,229,771.20, 76,888,202.40 and 20,959,358.40

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Solution

The fourth proportional to 51,229,771.20, 76,888,202.40 and 20,959,358.40 is: 31,456,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229,771.20 : 76,888,202.40 = 20,959,358.40 : x
  2. Step 2: Convert to fraction form
    51,229,771.20/76,888,202.40 = 20,959,358.40/x
  3. Step 3: Cross multiply
    51,229,771.20x = 76,888,202.40 × 20,959,358.40
  4. Step 4: Simplify right side
    51,229,771.20x = 1,611,527,390,833,340.25
  5. Step 5: Solve for x
    x = 1,611,527,390,833,340.25/51,229,771.20
  6. Step 6: Final answer
    x = 31,456,853.18

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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.