Home / 170,747,936.58-256,083,572.10-78,543,119.90

Finding the Fourth Proportional to 170,747,936.58, 256,083,572.10 and 78,543,119.90

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Solution

The fourth proportional to 170,747,936.58, 256,083,572.10 and 78,543,119.90 is: 117,797,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,747,936.58 : 256,083,572.10 = 78,543,119.90 : x
  2. Step 2: Convert to fraction form
    170,747,936.58/256,083,572.10 = 78,543,119.90/x
  3. Step 3: Cross multiply
    170,747,936.58x = 256,083,572.10 × 78,543,119.90
  4. Step 4: Simplify right side
    170,747,936.58x = 20,113,602,707,870,596
  5. Step 5: Solve for x
    x = 20,113,602,707,870,596/170,747,936.58
  6. Step 6: Final answer
    x = 117,797,046.98

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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.