Home / 218,304,853.20-327,457,279.80-109,146,871.80

Finding the Fourth Proportional to 218,304,853.20, 327,457,279.80 and 109,146,871.80

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Solution

The fourth proportional to 218,304,853.20, 327,457,279.80 and 109,146,871.80 is: 163,720,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304,853.20 : 327,457,279.80 = 109,146,871.80 : x
  2. Step 2: Convert to fraction form
    218,304,853.20/327,457,279.80 = 109,146,871.80/x
  3. Step 3: Cross multiply
    218,304,853.20x = 327,457,279.80 × 109,146,871.80
  4. Step 4: Simplify right side
    218,304,853.20x = 35,740,937,738,307,328
  5. Step 5: Solve for x
    x = 35,740,937,738,307,328/218,304,853.20
  6. Step 6: Final answer
    x = 163,720,307.70

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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.