Home / 252,243,311.45-378,534,736.69-88,482,617.69

Finding the Fourth Proportional to 252,243,311.45, 378,534,736.69 and 88,482,617.69

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Solution

The fourth proportional to 252,243,311.45, 378,534,736.69 and 88,482,617.69 is: 132,783,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,243,311.45 : 378,534,736.69 = 88,482,617.69 : x
  2. Step 2: Convert to fraction form
    252,243,311.45/378,534,736.69 = 88,482,617.69/x
  3. Step 3: Cross multiply
    252,243,311.45x = 378,534,736.69 × 88,482,617.69
  4. Step 4: Simplify right side
    252,243,311.45x = 33,493,744,386,812,208
  5. Step 5: Solve for x
    x = 33,493,744,386,812,208/252,243,311.45
  6. Step 6: Final answer
    x = 132,783,478.76

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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.