Home / 206,952,134.60-310,428,201.90-142,454,880.20

Finding the Fourth Proportional to 206,952,134.60, 310,428,201.90 and 142,454,880.20

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Solution

The fourth proportional to 206,952,134.60, 310,428,201.90 and 142,454,880.20 is: 213,682,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,952,134.60 : 310,428,201.90 = 142,454,880.20 : x
  2. Step 2: Convert to fraction form
    206,952,134.60/310,428,201.90 = 142,454,880.20/x
  3. Step 3: Cross multiply
    206,952,134.60x = 310,428,201.90 × 142,454,880.20
  4. Step 4: Simplify right side
    206,952,134.60x = 44,222,012,312,365,904
  5. Step 5: Solve for x
    x = 44,222,012,312,365,904/206,952,134.60
  6. Step 6: Final answer
    x = 213,682,320.30

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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.