Home / 55,412,129.61-76,468,842.59-30,965,843.61

Finding the Fourth Proportional to 55,412,129.61, 76,468,842.59 and 30,965,843.61

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Solution

The fourth proportional to 55,412,129.61, 76,468,842.59 and 30,965,843.61 is: 42,732,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412,129.61 : 76,468,842.59 = 30,965,843.61 : x
  2. Step 2: Convert to fraction form
    55,412,129.61/76,468,842.59 = 30,965,843.61/x
  3. Step 3: Cross multiply
    55,412,129.61x = 76,468,842.59 × 30,965,843.61
  4. Step 4: Simplify right side
    55,412,129.61x = 2,367,922,220,524,818
  5. Step 5: Solve for x
    x = 2,367,922,220,524,818/55,412,129.61
  6. Step 6: Final answer
    x = 42,732,922.15

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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.