Home / 218,314,703.20-327,472,054.80-109,156,721.80

Finding the Fourth Proportional to 218,314,703.20, 327,472,054.80 and 109,156,721.80

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Solution

The fourth proportional to 218,314,703.20, 327,472,054.80 and 109,156,721.80 is: 163,735,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,314,703.20 : 327,472,054.80 = 109,156,721.80 : x
  2. Step 2: Convert to fraction form
    218,314,703.20/327,472,054.80 = 109,156,721.80/x
  3. Step 3: Cross multiply
    218,314,703.20x = 327,472,054.80 × 109,156,721.80
  4. Step 4: Simplify right side
    218,314,703.20x = 35,745,775,983,077,956
  5. Step 5: Solve for x
    x = 35,745,775,983,077,956/218,314,703.20
  6. Step 6: Final answer
    x = 163,735,082.70

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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.