Home / 220,480,900.92-330,499,030.50-138,658,255.56

Finding the Fourth Proportional to 220,480,900.92, 330,499,030.50 and 138,658,255.56

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Solution

The fourth proportional to 220,480,900.92, 330,499,030.50 and 138,658,255.56 is: 207,847,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,480,900.92 : 330,499,030.50 = 138,658,255.56 : x
  2. Step 2: Convert to fraction form
    220,480,900.92/330,499,030.50 = 138,658,255.56/x
  3. Step 3: Cross multiply
    220,480,900.92x = 330,499,030.50 × 138,658,255.56
  4. Step 4: Simplify right side
    220,480,900.92x = 45,826,419,033,401,232
  5. Step 5: Solve for x
    x = 45,826,419,033,401,232/220,480,900.92
  6. Step 6: Final answer
    x = 207,847,567.94

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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.