Home / 170,747,880.53-256,083,488.15-78,543,063.86

Finding the Fourth Proportional to 170,747,880.53, 256,083,488.15 and 78,543,063.86

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Solution

The fourth proportional to 170,747,880.53, 256,083,488.15 and 78,543,063.86 is: 117,796,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,747,880.53 : 256,083,488.15 = 78,543,063.86 : x
  2. Step 2: Convert to fraction form
    170,747,880.53/256,083,488.15 = 78,543,063.86/x
  3. Step 3: Cross multiply
    170,747,880.53x = 256,083,488.15 × 78,543,063.86
  4. Step 4: Simplify right side
    170,747,880.53x = 20,113,581,761,583,872
  5. Step 5: Solve for x
    x = 20,113,581,761,583,872/170,747,880.53
  6. Step 6: Final answer
    x = 117,796,962.98

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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.