Home / 148,479,399.20-222,719,098.80-132,858,970.40

Finding the Fourth Proportional to 148,479,399.20, 222,719,098.80 and 132,858,970.40

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Solution

The fourth proportional to 148,479,399.20, 222,719,098.80 and 132,858,970.40 is: 199,288,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,479,399.20 : 222,719,098.80 = 132,858,970.40 : x
  2. Step 2: Convert to fraction form
    148,479,399.20/222,719,098.80 = 132,858,970.40/x
  3. Step 3: Cross multiply
    148,479,399.20x = 222,719,098.80 × 132,858,970.40
  4. Step 4: Simplify right side
    148,479,399.20x = 29,590,230,154,983,880
  5. Step 5: Solve for x
    x = 29,590,230,154,983,880/148,479,399.20
  6. Step 6: Final answer
    x = 199,288,455.60

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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.