Home / 79,804,912.70-119,707,369.05-43,399,235.90

Finding the Fourth Proportional to 79,804,912.70, 119,707,369.05 and 43,399,235.90

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Solution

The fourth proportional to 79,804,912.70, 119,707,369.05 and 43,399,235.90 is: 65,098,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804,912.70 : 119,707,369.05 = 43,399,235.90 : x
  2. Step 2: Convert to fraction form
    79,804,912.70/119,707,369.05 = 43,399,235.90/x
  3. Step 3: Cross multiply
    79,804,912.70x = 119,707,369.05 × 43,399,235.90
  4. Step 4: Simplify right side
    79,804,912.70x = 5,195,208,348,369,309
  5. Step 5: Solve for x
    x = 5,195,208,348,369,309/79,804,912.70
  6. Step 6: Final answer
    x = 65,098,853.85

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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.