Home / 55,412,132.61-76,468,846.76-30,965,846.61

Finding the Fourth Proportional to 55,412,132.61, 76,468,846.76 and 30,965,846.61

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Solution

The fourth proportional to 55,412,132.61, 76,468,846.76 and 30,965,846.61 is: 42,732,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412,132.61 : 76,468,846.76 = 30,965,846.61 : x
  2. Step 2: Convert to fraction form
    55,412,132.61/76,468,846.76 = 30,965,846.61/x
  3. Step 3: Cross multiply
    55,412,132.61x = 76,468,846.76 × 30,965,846.61
  4. Step 4: Simplify right side
    55,412,132.61x = 2,367,922,579,058,926
  5. Step 5: Solve for x
    x = 2,367,922,579,058,926/55,412,132.61
  6. Step 6: Final answer
    x = 42,732,926.30

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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.