Home / 175,512,807.90-263,269,211.85-84,813,543.90

Finding the Fourth Proportional to 175,512,807.90, 263,269,211.85 and 84,813,543.90

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Solution

The fourth proportional to 175,512,807.90, 263,269,211.85 and 84,813,543.90 is: 127,220,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,512,807.90 : 263,269,211.85 = 84,813,543.90 : x
  2. Step 2: Convert to fraction form
    175,512,807.90/263,269,211.85 = 84,813,543.90/x
  3. Step 3: Cross multiply
    175,512,807.90x = 263,269,211.85 × 84,813,543.90
  4. Step 4: Simplify right side
    175,512,807.90x = 22,328,794,856,758,376
  5. Step 5: Solve for x
    x = 22,328,794,856,758,376/175,512,807.90
  6. Step 6: Final answer
    x = 127,220,315.85

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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.