Home / 203,755,507.20-305,633,260.80-189,406,600.20

Finding the Fourth Proportional to 203,755,507.20, 305,633,260.80 and 189,406,600.20

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Solution

The fourth proportional to 203,755,507.20, 305,633,260.80 and 189,406,600.20 is: 284,109,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,755,507.20 : 305,633,260.80 = 189,406,600.20 : x
  2. Step 2: Convert to fraction form
    203,755,507.20/305,633,260.80 = 189,406,600.20/x
  3. Step 3: Cross multiply
    203,755,507.20x = 305,633,260.80 × 189,406,600.20
  4. Step 4: Simplify right side
    203,755,507.20x = 57,888,956,836,167,928
  5. Step 5: Solve for x
    x = 57,888,956,836,167,928/203,755,507.20
  6. Step 6: Final answer
    x = 284,109,900.30

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1.5x scale

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.