Home / 206,952,183.10-310,428,274.65-142,454,928.70

Finding the Fourth Proportional to 206,952,183.10, 310,428,274.65 and 142,454,928.70

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Solution

The fourth proportional to 206,952,183.10, 310,428,274.65 and 142,454,928.70 is: 213,682,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,952,183.10 : 310,428,274.65 = 142,454,928.70 : x
  2. Step 2: Convert to fraction form
    206,952,183.10/310,428,274.65 = 142,454,928.70/x
  3. Step 3: Cross multiply
    206,952,183.10x = 310,428,274.65 × 142,454,928.70
  4. Step 4: Simplify right side
    206,952,183.10x = 44,222,037,731,729,760
  5. Step 5: Solve for x
    x = 44,222,037,731,729,760/206,952,183.10
  6. Step 6: Final answer
    x = 213,682,393.05

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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.