Home / 252,761,969.80-378,576,084.30-207,412,337.80

Finding the Fourth Proportional to 252,761,969.80, 378,576,084.30 and 207,412,337.80

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Solution

The fourth proportional to 252,761,969.80, 378,576,084.30 and 207,412,337.80 is: 310,653,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,761,969.80 : 378,576,084.30 = 207,412,337.80 : x
  2. Step 2: Convert to fraction form
    252,761,969.80/378,576,084.30 = 207,412,337.80/x
  3. Step 3: Cross multiply
    252,761,969.80x = 378,576,084.30 × 207,412,337.80
  4. Step 4: Simplify right side
    252,761,969.80x = 78,521,350,679,832,880
  5. Step 5: Solve for x
    x = 78,521,350,679,832,880/252,761,969.80
  6. Step 6: Final answer
    x = 310,653,342.12

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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.