Home / 82,584,446.40-123,876,232.20-21,173,486.40

Finding the Fourth Proportional to 82,584,446.40, 123,876,232.20 and 21,173,486.40

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Solution

The fourth proportional to 82,584,446.40, 123,876,232.20 and 21,173,486.40 is: 31,760,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,584,446.40 : 123,876,232.20 = 21,173,486.40 : x
  2. Step 2: Convert to fraction form
    82,584,446.40/123,876,232.20 = 21,173,486.40/x
  3. Step 3: Cross multiply
    82,584,446.40x = 123,876,232.20 × 21,173,486.40
  4. Step 4: Simplify right side
    82,584,446.40x = 2,622,891,717,769,942
  5. Step 5: Solve for x
    x = 2,622,891,717,769,942/82,584,446.40
  6. Step 6: Final answer
    x = 31,760,117.46

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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.