Home / 220,454,872.26-330,689,470.48-64,995,643.86

Finding the Fourth Proportional to 220,454,872.26, 330,689,470.48 and 64,995,643.86

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Solution

The fourth proportional to 220,454,872.26, 330,689,470.48 and 64,995,643.86 is: 97,495,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,454,872.26 : 330,689,470.48 = 64,995,643.86 : x
  2. Step 2: Convert to fraction form
    220,454,872.26/330,689,470.48 = 64,995,643.86/x
  3. Step 3: Cross multiply
    220,454,872.26x = 330,689,470.48 × 64,995,643.86
  4. Step 4: Simplify right side
    220,454,872.26x = 21,493,375,049,591,640
  5. Step 5: Solve for x
    x = 21,493,375,049,591,640/220,454,872.26
  6. Step 6: Final answer
    x = 97,495,577.35

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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.