Home / 106,347,634.40-146,760,136.80-67,206,805.76

Finding the Fourth Proportional to 106,347,634.40, 146,760,136.80 and 67,206,805.76

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Solution

The fourth proportional to 106,347,634.40, 146,760,136.80 and 67,206,805.76 is: 92,745,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,347,634.40 : 146,760,136.80 = 67,206,805.76 : x
  2. Step 2: Convert to fraction form
    106,347,634.40/146,760,136.80 = 67,206,805.76/x
  3. Step 3: Cross multiply
    106,347,634.40x = 146,760,136.80 × 67,206,805.76
  4. Step 4: Simplify right side
    106,347,634.40x = 9,863,280,007,228,630
  5. Step 5: Solve for x
    x = 9,863,280,007,228,630/106,347,634.40
  6. Step 6: Final answer
    x = 92,745,645.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.