Home / 168,520,708.80-252,781,063.20-117,460,382.40

Finding the Fourth Proportional to 168,520,708.80, 252,781,063.20 and 117,460,382.40

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Solution

The fourth proportional to 168,520,708.80, 252,781,063.20 and 117,460,382.40 is: 176,190,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,520,708.80 : 252,781,063.20 = 117,460,382.40 : x
  2. Step 2: Convert to fraction form
    168,520,708.80/252,781,063.20 = 117,460,382.40/x
  3. Step 3: Cross multiply
    168,520,708.80x = 252,781,063.20 × 117,460,382.40
  4. Step 4: Simplify right side
    168,520,708.80x = 29,691,760,346,950,568
  5. Step 5: Solve for x
    x = 29,691,760,346,950,568/168,520,708.80
  6. Step 6: Final answer
    x = 176,190,573.60

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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.