Home / 208,281,887.16-312,474,846.10-146,990,753.49

Finding the Fourth Proportional to 208,281,887.16, 312,474,846.10 and 146,990,753.49

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Solution

The fourth proportional to 208,281,887.16, 312,474,846.10 and 146,990,753.49 is: 220,522,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,281,887.16 : 312,474,846.10 = 146,990,753.49 : x
  2. Step 2: Convert to fraction form
    208,281,887.16/312,474,846.10 = 146,990,753.49/x
  3. Step 3: Cross multiply
    208,281,887.16x = 312,474,846.10 × 146,990,753.49
  4. Step 4: Simplify right side
    208,281,887.16x = 45,930,913,074,910,792
  5. Step 5: Solve for x
    x = 45,930,913,074,910,792/208,281,887.16
  6. Step 6: Final answer
    x = 220,522,839.03

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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.