Home / 268,857,687.40-403,286,531.10-132,608,343.40

Finding the Fourth Proportional to 268,857,687.40, 403,286,531.10 and 132,608,343.40

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Solution

The fourth proportional to 268,857,687.40, 403,286,531.10 and 132,608,343.40 is: 198,912,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,857,687.40 : 403,286,531.10 = 132,608,343.40 : x
  2. Step 2: Convert to fraction form
    268,857,687.40/403,286,531.10 = 132,608,343.40/x
  3. Step 3: Cross multiply
    268,857,687.40x = 403,286,531.10 × 132,608,343.40
  4. Step 4: Simplify right side
    268,857,687.40x = 53,479,158,804,703,584
  5. Step 5: Solve for x
    x = 53,479,158,804,703,584/268,857,687.40
  6. Step 6: Final answer
    x = 198,912,515.10

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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.