Home / 34,049,680.80-51,074,521.20-20,612,752.80

Finding the Fourth Proportional to 34,049,680.80, 51,074,521.20 and 20,612,752.80

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Solution

The fourth proportional to 34,049,680.80, 51,074,521.20 and 20,612,752.80 is: 30,919,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,049,680.80 : 51,074,521.20 = 20,612,752.80 : x
  2. Step 2: Convert to fraction form
    34,049,680.80/51,074,521.20 = 20,612,752.80/x
  3. Step 3: Cross multiply
    34,049,680.80x = 51,074,521.20 × 20,612,752.80
  4. Step 4: Simplify right side
    34,049,680.80x = 1,052,786,479,873,959.50
  5. Step 5: Solve for x
    x = 1,052,786,479,873,959.50/34,049,680.80
  6. Step 6: Final answer
    x = 30,919,129.20

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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.