Home / 221,280,147.30-332,172,163.35-130,454,912.10

Finding the Fourth Proportional to 221,280,147.30, 332,172,163.35 and 130,454,912.10

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Solution

The fourth proportional to 221,280,147.30, 332,172,163.35 and 130,454,912.10 is: 195,830,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,280,147.30 : 332,172,163.35 = 130,454,912.10 : x
  2. Step 2: Convert to fraction form
    221,280,147.30/332,172,163.35 = 130,454,912.10/x
  3. Step 3: Cross multiply
    221,280,147.30x = 332,172,163.35 × 130,454,912.10
  4. Step 4: Simplify right side
    221,280,147.30x = 43,333,490,371,891,096
  5. Step 5: Solve for x
    x = 43,333,490,371,891,096/221,280,147.30
  6. Step 6: Final answer
    x = 195,830,899.88

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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.