Home / 170,747,882.53-256,083,491.14-78,543,065.86

Finding the Fourth Proportional to 170,747,882.53, 256,083,491.14 and 78,543,065.86

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Solution

The fourth proportional to 170,747,882.53, 256,083,491.14 and 78,543,065.86 is: 117,796,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,747,882.53 : 256,083,491.14 = 78,543,065.86 : x
  2. Step 2: Convert to fraction form
    170,747,882.53/256,083,491.14 = 78,543,065.86/x
  3. Step 3: Cross multiply
    170,747,882.53x = 256,083,491.14 × 78,543,065.86
  4. Step 4: Simplify right side
    170,747,882.53x = 20,113,582,510,267,744
  5. Step 5: Solve for x
    x = 20,113,582,510,267,744/170,747,882.53
  6. Step 6: Final answer
    x = 117,796,965.98

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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.