Home / 252,631,329.30-378,380,123.55-207,281,697.30

Finding the Fourth Proportional to 252,631,329.30, 378,380,123.55 and 207,281,697.30

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Solution

The fourth proportional to 252,631,329.30, 378,380,123.55 and 207,281,697.30 is: 310,457,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,631,329.30 : 378,380,123.55 = 207,281,697.30 : x
  2. Step 2: Convert to fraction form
    252,631,329.30/378,380,123.55 = 207,281,697.30/x
  3. Step 3: Cross multiply
    252,631,329.30x = 378,380,123.55 × 207,281,697.30
  4. Step 4: Simplify right side
    252,631,329.30x = 78,431,274,234,027,712
  5. Step 5: Solve for x
    x = 78,431,274,234,027,712/252,631,329.30
  6. Step 6: Final answer
    x = 310,457,433.97

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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.