Home / 55,690,067.05-76,846,059.31-30,911,298.42

Finding the Fourth Proportional to 55,690,067.05, 76,846,059.31 and 30,911,298.42

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Solution

The fourth proportional to 55,690,067.05, 76,846,059.31 and 30,911,298.42 is: 42,654,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690,067.05 : 76,846,059.31 = 30,911,298.42 : x
  2. Step 2: Convert to fraction form
    55,690,067.05/76,846,059.31 = 30,911,298.42/x
  3. Step 3: Cross multiply
    55,690,067.05x = 76,846,059.31 × 30,911,298.42
  4. Step 4: Simplify right side
    55,690,067.05x = 2,375,411,471,943,324
  5. Step 5: Solve for x
    x = 2,375,411,471,943,324/55,690,067.05
  6. Step 6: Final answer
    x = 42,654,132.02

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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.