Home / 80,255,867.77-120,345,879.78-31,094,751.79

Finding the Fourth Proportional to 80,255,867.77, 120,345,879.78 and 31,094,751.79

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Solution

The fourth proportional to 80,255,867.77, 120,345,879.78 and 31,094,751.79 is: 46,627,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,255,867.77 : 120,345,879.78 = 31,094,751.79 : x
  2. Step 2: Convert to fraction form
    80,255,867.77/120,345,879.78 = 31,094,751.79/x
  3. Step 3: Cross multiply
    80,255,867.77x = 120,345,879.78 × 31,094,751.79
  4. Step 4: Simplify right side
    80,255,867.77x = 3,742,125,260,708,279.50
  5. Step 5: Solve for x
    x = 3,742,125,260,708,279.50/80,255,867.77
  6. Step 6: Final answer
    x = 46,627,435.04

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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.