Home / 378,456,353.20-567,684,529.80-102,107,033.20

Finding the Fourth Proportional to 378,456,353.20, 567,684,529.80 and 102,107,033.20

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Solution

The fourth proportional to 378,456,353.20, 567,684,529.80 and 102,107,033.20 is: 153,160,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,456,353.20 : 567,684,529.80 = 102,107,033.20 : x
  2. Step 2: Convert to fraction form
    378,456,353.20/567,684,529.80 = 102,107,033.20/x
  3. Step 3: Cross multiply
    378,456,353.20x = 567,684,529.80 × 102,107,033.20
  4. Step 4: Simplify right side
    378,456,353.20x = 57,964,583,131,414,984
  5. Step 5: Solve for x
    x = 57,964,583,131,414,984/378,456,353.20
  6. Step 6: Final answer
    x = 153,160,549.80

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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.