Home / 410,250,428.80-615,375,643.20-123,036,092.80

Finding the Fourth Proportional to 410,250,428.80, 615,375,643.20 and 123,036,092.80

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Solution

The fourth proportional to 410,250,428.80, 615,375,643.20 and 123,036,092.80 is: 184,554,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,250,428.80 : 615,375,643.20 = 123,036,092.80 : x
  2. Step 2: Convert to fraction form
    410,250,428.80/615,375,643.20 = 123,036,092.80/x
  3. Step 3: Cross multiply
    410,250,428.80x = 615,375,643.20 × 123,036,092.80
  4. Step 4: Simplify right side
    410,250,428.80x = 75,713,414,743,614,896
  5. Step 5: Solve for x
    x = 75,713,414,743,614,896/410,250,428.80
  6. Step 6: Final answer
    x = 184,554,139.20

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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.