Home / 52,131,179.93-71,941,524.32-28,928,465.87

Finding the Fourth Proportional to 52,131,179.93, 71,941,524.32 and 28,928,465.87

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Solution

The fourth proportional to 52,131,179.93, 71,941,524.32 and 28,928,465.87 is: 39,921,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,131,179.93 : 71,941,524.32 = 28,928,465.87 : x
  2. Step 2: Convert to fraction form
    52,131,179.93/71,941,524.32 = 28,928,465.87/x
  3. Step 3: Cross multiply
    52,131,179.93x = 71,941,524.32 × 28,928,465.87
  4. Step 4: Simplify right side
    52,131,179.93x = 2,081,157,930,782,252.75
  5. Step 5: Solve for x
    x = 2,081,157,930,782,252.75/52,131,179.93
  6. Step 6: Final answer
    x = 39,921,558.15

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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.