Home / 131,516,227.80-197,302,335.30-40,649,002.20

Finding the Fourth Proportional to 131,516,227.80, 197,302,335.30 and 40,649,002.20

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Solution

The fourth proportional to 131,516,227.80, 197,302,335.30 and 40,649,002.20 is: 60,982,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,516,227.80 : 197,302,335.30 = 40,649,002.20 : x
  2. Step 2: Convert to fraction form
    131,516,227.80/197,302,335.30 = 40,649,002.20/x
  3. Step 3: Cross multiply
    131,516,227.80x = 197,302,335.30 × 40,649,002.20
  4. Step 4: Simplify right side
    131,516,227.80x = 8,020,143,061,674,839
  5. Step 5: Solve for x
    x = 8,020,143,061,674,839/131,516,227.80
  6. Step 6: Final answer
    x = 60,982,155.55

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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.