Home / 71,093,739.40-106,640,609.10-62,874,118.60

Finding the Fourth Proportional to 71,093,739.40, 106,640,609.10 and 62,874,118.60

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Solution

The fourth proportional to 71,093,739.40, 106,640,609.10 and 62,874,118.60 is: 94,311,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,093,739.40 : 106,640,609.10 = 62,874,118.60 : x
  2. Step 2: Convert to fraction form
    71,093,739.40/106,640,609.10 = 62,874,118.60/x
  3. Step 3: Cross multiply
    71,093,739.40x = 106,640,609.10 × 62,874,118.60
  4. Step 4: Simplify right side
    71,093,739.40x = 6,704,934,304,129,639
  5. Step 5: Solve for x
    x = 6,704,934,304,129,639/71,093,739.40
  6. Step 6: Final answer
    x = 94,311,177.90

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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.