Home / 220,454,872.76-330,689,471.23-64,995,644.36

Finding the Fourth Proportional to 220,454,872.76, 330,689,471.23 and 64,995,644.36

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Solution

The fourth proportional to 220,454,872.76, 330,689,471.23 and 64,995,644.36 is: 97,495,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,454,872.76 : 330,689,471.23 = 64,995,644.36 : x
  2. Step 2: Convert to fraction form
    220,454,872.76/330,689,471.23 = 64,995,644.36/x
  3. Step 3: Cross multiply
    220,454,872.76x = 330,689,471.23 × 64,995,644.36
  4. Step 4: Simplify right side
    220,454,872.76x = 21,493,375,263,683,108
  5. Step 5: Solve for x
    x = 21,493,375,263,683,108/220,454,872.76
  6. Step 6: Final answer
    x = 97,495,578.10

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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.