Home / 220,480,805.92-330,498,888.24-138,658,160.32

Finding the Fourth Proportional to 220,480,805.92, 330,498,888.24 and 138,658,160.32

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Solution

The fourth proportional to 220,480,805.92, 330,498,888.24 and 138,658,160.32 is: 207,847,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,480,805.92 : 330,498,888.24 = 138,658,160.32 : x
  2. Step 2: Convert to fraction form
    220,480,805.92/330,498,888.24 = 138,658,160.32/x
  3. Step 3: Cross multiply
    220,480,805.92x = 330,498,888.24 × 138,658,160.32
  4. Step 4: Simplify right side
    220,480,805.92x = 45,826,367,831,163,680
  5. Step 5: Solve for x
    x = 45,826,367,831,163,680/220,480,805.92
  6. Step 6: Final answer
    x = 207,847,425.27

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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.