Home / 228,135,267.72-314,826,752.97-123,713,311.23

Finding the Fourth Proportional to 228,135,267.72, 314,826,752.97 and 123,713,311.23

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Solution

The fourth proportional to 228,135,267.72, 314,826,752.97 and 123,713,311.23 is: 170,724,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,135,267.72 : 314,826,752.97 = 123,713,311.23 : x
  2. Step 2: Convert to fraction form
    228,135,267.72/314,826,752.97 = 123,713,311.23/x
  3. Step 3: Cross multiply
    228,135,267.72x = 314,826,752.97 × 123,713,311.23
  4. Step 4: Simplify right side
    228,135,267.72x = 38,948,260,073,707,944
  5. Step 5: Solve for x
    x = 38,948,260,073,707,944/228,135,267.72
  6. Step 6: Final answer
    x = 170,724,414.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.