Home / 215,678,422.40-323,517,633.60-134,049,084.80

Finding the Fourth Proportional to 215,678,422.40, 323,517,633.60 and 134,049,084.80

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Solution

The fourth proportional to 215,678,422.40, 323,517,633.60 and 134,049,084.80 is: 201,073,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,678,422.40 : 323,517,633.60 = 134,049,084.80 : x
  2. Step 2: Convert to fraction form
    215,678,422.40/323,517,633.60 = 134,049,084.80/x
  3. Step 3: Cross multiply
    215,678,422.40x = 323,517,633.60 × 134,049,084.80
  4. Step 4: Simplify right side
    215,678,422.40x = 43,367,242,700,741,728
  5. Step 5: Solve for x
    x = 43,367,242,700,741,728/215,678,422.40
  6. Step 6: Final answer
    x = 201,073,627.20

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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.