Home / 80,536,041.91-120,578,933.08-43,515,293.23

Finding the Fourth Proportional to 80,536,041.91, 120,578,933.08 and 43,515,293.23

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Solution

The fourth proportional to 80,536,041.91, 120,578,933.08 and 43,515,293.23 is: 65,151,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536,041.91 : 120,578,933.08 = 43,515,293.23 : x
  2. Step 2: Convert to fraction form
    80,536,041.91/120,578,933.08 = 43,515,293.23/x
  3. Step 3: Cross multiply
    80,536,041.91x = 120,578,933.08 × 43,515,293.23
  4. Step 4: Simplify right side
    80,536,041.91x = 5,247,027,630,336,747
  5. Step 5: Solve for x
    x = 5,247,027,630,336,747/80,536,041.91
  6. Step 6: Final answer
    x = 65,151,297.55

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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.