Home / 252,220,061.73-378,439,314.75-135,499,232.04

Finding the Fourth Proportional to 252,220,061.73, 378,439,314.75 and 135,499,232.04

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Solution

The fourth proportional to 252,220,061.73, 378,439,314.75 and 135,499,232.04 is: 203,307,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,220,061.73 : 378,439,314.75 = 135,499,232.04 : x
  2. Step 2: Convert to fraction form
    252,220,061.73/378,439,314.75 = 135,499,232.04/x
  3. Step 3: Cross multiply
    252,220,061.73x = 378,439,314.75 × 135,499,232.04
  4. Step 4: Simplify right side
    252,220,061.73x = 51,278,236,522,368,840
  5. Step 5: Solve for x
    x = 51,278,236,522,368,840/252,220,061.73
  6. Step 6: Final answer
    x = 203,307,525.07

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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.