Home / 52,479,067.80-78,741,336.78-28,189,655.40

Finding the Fourth Proportional to 52,479,067.80, 78,741,336.78 and 28,189,655.40

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Solution

The fourth proportional to 52,479,067.80, 78,741,336.78 and 28,189,655.40 is: 42,296,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479,067.80 : 78,741,336.78 = 28,189,655.40 : x
  2. Step 2: Convert to fraction form
    52,479,067.80/78,741,336.78 = 28,189,655.40/x
  3. Step 3: Cross multiply
    52,479,067.80x = 78,741,336.78 × 28,189,655.40
  4. Step 4: Simplify right side
    52,479,067.80x = 2,219,691,149,563,545.50
  5. Step 5: Solve for x
    x = 2,219,691,149,563,545.50/52,479,067.80
  6. Step 6: Final answer
    x = 42,296,695.48

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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.