Home / 66,537,672.10-99,806,508.15-65,641,876.90

Finding the Fourth Proportional to 66,537,672.10, 99,806,508.15 and 65,641,876.90

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Solution

The fourth proportional to 66,537,672.10, 99,806,508.15 and 65,641,876.90 is: 98,462,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537,672.10 : 99,806,508.15 = 65,641,876.90 : x
  2. Step 2: Convert to fraction form
    66,537,672.10/99,806,508.15 = 65,641,876.90/x
  3. Step 3: Cross multiply
    66,537,672.10x = 99,806,508.15 × 65,641,876.90
  4. Step 4: Simplify right side
    66,537,672.10x = 6,551,486,521,801,147
  5. Step 5: Solve for x
    x = 6,551,486,521,801,147/66,537,672.10
  6. Step 6: Final answer
    x = 98,462,815.35

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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.