Home / 275,000,752.62-379,408,064.58-155,910,569.04

Finding the Fourth Proportional to 275,000,752.62, 379,408,064.58 and 155,910,569.04

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Solution

The fourth proportional to 275,000,752.62, 379,408,064.58 and 155,910,569.04 is: 215,103,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,000,752.62 : 379,408,064.58 = 155,910,569.04 : x
  2. Step 2: Convert to fraction form
    275,000,752.62/379,408,064.58 = 155,910,569.04/x
  3. Step 3: Cross multiply
    275,000,752.62x = 379,408,064.58 × 155,910,569.04
  4. Step 4: Simplify right side
    275,000,752.62x = 59,153,727,247,032,864
  5. Step 5: Solve for x
    x = 59,153,727,247,032,864/275,000,752.62
  6. Step 6: Final answer
    x = 215,103,874.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.