Home / 50,444,734.10-69,618,876.03-30,878,552.70

Finding the Fourth Proportional to 50,444,734.10, 69,618,876.03 and 30,878,552.70

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Solution

The fourth proportional to 50,444,734.10, 69,618,876.03 and 30,878,552.70 is: 42,615,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,444,734.10 : 69,618,876.03 = 30,878,552.70 : x
  2. Step 2: Convert to fraction form
    50,444,734.10/69,618,876.03 = 30,878,552.70/x
  3. Step 3: Cross multiply
    50,444,734.10x = 69,618,876.03 × 30,878,552.70
  4. Step 4: Simplify right side
    50,444,734.10x = 2,149,730,132,407,121.75
  5. Step 5: Solve for x
    x = 2,149,730,132,407,121.75/50,444,734.10
  6. Step 6: Final answer
    x = 42,615,550.88

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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.