Home / 213,025,854.10-319,318,331.55-115,776,087.70

Finding the Fourth Proportional to 213,025,854.10, 319,318,331.55 and 115,776,087.70

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Solution

The fourth proportional to 213,025,854.10, 319,318,331.55 and 115,776,087.70 is: 173,544,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,025,854.10 : 319,318,331.55 = 115,776,087.70 : x
  2. Step 2: Convert to fraction form
    213,025,854.10/319,318,331.55 = 115,776,087.70/x
  3. Step 3: Cross multiply
    213,025,854.10x = 319,318,331.55 × 115,776,087.70
  4. Step 4: Simplify right side
    213,025,854.10x = 36,969,427,157,750,480
  5. Step 5: Solve for x
    x = 36,969,427,157,750,480/213,025,854.10
  6. Step 6: Final answer
    x = 173,544,320.78

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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.