Home / 55,031,318.79-75,944,919.77-30,253,398.94

Finding the Fourth Proportional to 55,031,318.79, 75,944,919.77 and 30,253,398.94

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Solution

The fourth proportional to 55,031,318.79, 75,944,919.77 and 30,253,398.94 is: 41,750,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031,318.79 : 75,944,919.77 = 30,253,398.94 : x
  2. Step 2: Convert to fraction form
    55,031,318.79/75,944,919.77 = 30,253,398.94/x
  3. Step 3: Cross multiply
    55,031,318.79x = 75,944,919.77 × 30,253,398.94
  4. Step 4: Simplify right side
    55,031,318.79x = 2,297,591,955,268,103
  5. Step 5: Solve for x
    x = 2,297,591,955,268,103/55,031,318.79
  6. Step 6: Final answer
    x = 41,750,625.02

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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.