Home / 172,204,532.62-258,307,750.26-42,812,142.91

Finding the Fourth Proportional to 172,204,532.62, 258,307,750.26 and 42,812,142.91

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Solution

The fourth proportional to 172,204,532.62, 258,307,750.26 and 42,812,142.91 is: 64,218,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,204,532.62 : 258,307,750.26 = 42,812,142.91 : x
  2. Step 2: Convert to fraction form
    172,204,532.62/258,307,750.26 = 42,812,142.91/x
  3. Step 3: Cross multiply
    172,204,532.62x = 258,307,750.26 × 42,812,142.91
  4. Step 4: Simplify right side
    172,204,532.62x = 11,058,708,318,245,940
  5. Step 5: Solve for x
    x = 11,058,708,318,245,940/172,204,532.62
  6. Step 6: Final answer
    x = 64,218,450.87

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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.