Home / 117,526,446.40-176,289,669.60-71,542,292.80

Finding the Fourth Proportional to 117,526,446.40, 176,289,669.60 and 71,542,292.80

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Solution

The fourth proportional to 117,526,446.40, 176,289,669.60 and 71,542,292.80 is: 107,313,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,526,446.40 : 176,289,669.60 = 71,542,292.80 : x
  2. Step 2: Convert to fraction form
    117,526,446.40/176,289,669.60 = 71,542,292.80/x
  3. Step 3: Cross multiply
    117,526,446.40x = 176,289,669.60 × 71,542,292.80
  4. Step 4: Simplify right side
    117,526,446.40x = 12,612,167,160,138,458
  5. Step 5: Solve for x
    x = 12,612,167,160,138,458/117,526,446.40
  6. Step 6: Final answer
    x = 107,313,439.20

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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.