Home / 117,288,003.70-175,932,005.55-108,218,077.30

Finding the Fourth Proportional to 117,288,003.70, 175,932,005.55 and 108,218,077.30

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Solution

The fourth proportional to 117,288,003.70, 175,932,005.55 and 108,218,077.30 is: 162,327,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288,003.70 : 175,932,005.55 = 108,218,077.30 : x
  2. Step 2: Convert to fraction form
    117,288,003.70/175,932,005.55 = 108,218,077.30/x
  3. Step 3: Cross multiply
    117,288,003.70x = 175,932,005.55 × 108,218,077.30
  4. Step 4: Simplify right side
    117,288,003.70x = 19,039,023,376,153,928
  5. Step 5: Solve for x
    x = 19,039,023,376,153,928/117,288,003.70
  6. Step 6: Final answer
    x = 162,327,115.95

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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.