Home / 68,521,798.26-102,741,638.49-21,815,098.74

Finding the Fourth Proportional to 68,521,798.26, 102,741,638.49 and 21,815,098.74

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Solution

The fourth proportional to 68,521,798.26, 102,741,638.49 and 21,815,098.74 is: 32,709,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,521,798.26 : 102,741,638.49 = 21,815,098.74 : x
  2. Step 2: Convert to fraction form
    68,521,798.26/102,741,638.49 = 21,815,098.74/x
  3. Step 3: Cross multiply
    68,521,798.26x = 102,741,638.49 × 21,815,098.74
  4. Step 4: Simplify right side
    68,521,798.26x = 2,241,318,988,368,734.25
  5. Step 5: Solve for x
    x = 2,241,318,988,368,734.25/68,521,798.26
  6. Step 6: Final answer
    x = 32,709,576.30

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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.