Home / 80,060,917.77-120,048,221.64-43,192,575.63

Finding the Fourth Proportional to 80,060,917.77, 120,048,221.64 and 43,192,575.63

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Solution

The fourth proportional to 80,060,917.77, 120,048,221.64 and 43,192,575.63 is: 64,765,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060,917.77 : 120,048,221.64 = 43,192,575.63 : x
  2. Step 2: Convert to fraction form
    80,060,917.77/120,048,221.64 = 43,192,575.63/x
  3. Step 3: Cross multiply
    80,060,917.77x = 120,048,221.64 × 43,192,575.63
  4. Step 4: Simplify right side
    80,060,917.77x = 5,185,191,892,432,703
  5. Step 5: Solve for x
    x = 5,185,191,892,432,703/80,060,917.77
  6. Step 6: Final answer
    x = 64,765,581.47

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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.