Home / 74,727,369.90-112,087,067.22-20,139,079.59

Finding the Fourth Proportional to 74,727,369.90, 112,087,067.22 and 20,139,079.59

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Solution

The fourth proportional to 74,727,369.90, 112,087,067.22 and 20,139,079.59 is: 30,207,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727,369.90 : 112,087,067.22 = 20,139,079.59 : x
  2. Step 2: Convert to fraction form
    74,727,369.90/112,087,067.22 = 20,139,079.59/x
  3. Step 3: Cross multiply
    74,727,369.90x = 112,087,067.22 × 20,139,079.59
  4. Step 4: Simplify right side
    74,727,369.90x = 2,257,330,367,753,260
  5. Step 5: Solve for x
    x = 2,257,330,367,753,260/74,727,369.90
  6. Step 6: Final answer
    x = 30,207,544.72

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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.