Home / 148,945,410.40-223,418,115.60-72,417,906.40

Finding the Fourth Proportional to 148,945,410.40, 223,418,115.60 and 72,417,906.40

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Solution

The fourth proportional to 148,945,410.40, 223,418,115.60 and 72,417,906.40 is: 108,626,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945,410.40 : 223,418,115.60 = 72,417,906.40 : x
  2. Step 2: Convert to fraction form
    148,945,410.40/223,418,115.60 = 72,417,906.40/x
  3. Step 3: Cross multiply
    148,945,410.40x = 223,418,115.60 × 72,417,906.40
  4. Step 4: Simplify right side
    148,945,410.40x = 16,179,472,183,585,180
  5. Step 5: Solve for x
    x = 16,179,472,183,585,180/148,945,410.40
  6. Step 6: Final answer
    x = 108,626,859.60

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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.