Home / 53,917,561.85-80,876,342.78-48,542,790.65

Finding the Fourth Proportional to 53,917,561.85, 80,876,342.78 and 48,542,790.65

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Solution

The fourth proportional to 53,917,561.85, 80,876,342.78 and 48,542,790.65 is: 72,814,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,917,561.85 : 80,876,342.78 = 48,542,790.65 : x
  2. Step 2: Convert to fraction form
    53,917,561.85/80,876,342.78 = 48,542,790.65/x
  3. Step 3: Cross multiply
    53,917,561.85x = 80,876,342.78 × 48,542,790.65
  4. Step 4: Simplify right side
    53,917,561.85x = 3,925,963,375,864,465
  5. Step 5: Solve for x
    x = 3,925,963,375,864,465/53,917,561.85
  6. Step 6: Final answer
    x = 72,814,185.98

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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.