Home / 188,817,879.72-283,257,086.52-79,659,129.69

Finding the Fourth Proportional to 188,817,879.72, 283,257,086.52 and 79,659,129.69

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Solution

The fourth proportional to 188,817,879.72, 283,257,086.52 and 79,659,129.69 is: 119,501,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,817,879.72 : 283,257,086.52 = 79,659,129.69 : x
  2. Step 2: Convert to fraction form
    188,817,879.72/283,257,086.52 = 79,659,129.69/x
  3. Step 3: Cross multiply
    188,817,879.72x = 283,257,086.52 × 79,659,129.69
  4. Step 4: Simplify right side
    188,817,879.72x = 22,564,012,990,708,228
  5. Step 5: Solve for x
    x = 22,564,012,990,708,228/188,817,879.72
  6. Step 6: Final answer
    x = 119,501,463.65

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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.