Home / 82,453,605.26-123,680,337.54-21,042,759.06

Finding the Fourth Proportional to 82,453,605.26, 123,680,337.54 and 21,042,759.06

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Solution

The fourth proportional to 82,453,605.26, 123,680,337.54 and 21,042,759.06 is: 31,564,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,453,605.26 : 123,680,337.54 = 21,042,759.06 : x
  2. Step 2: Convert to fraction form
    82,453,605.26/123,680,337.54 = 21,042,759.06/x
  3. Step 3: Cross multiply
    82,453,605.26x = 123,680,337.54 × 21,042,759.06
  4. Step 4: Simplify right side
    82,453,605.26x = 2,602,575,543,313,693
  5. Step 5: Solve for x
    x = 2,602,575,543,313,693/82,453,605.26
  6. Step 6: Final answer
    x = 31,564,120.64

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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.