Home / 291,708,039.44-402,540,812.52-159,522,951.44

Finding the Fourth Proportional to 291,708,039.44, 402,540,812.52 and 159,522,951.44

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Solution

The fourth proportional to 291,708,039.44, 402,540,812.52 and 159,522,951.44 is: 220,132,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,708,039.44 : 402,540,812.52 = 159,522,951.44 : x
  2. Step 2: Convert to fraction form
    291,708,039.44/402,540,812.52 = 159,522,951.44/x
  3. Step 3: Cross multiply
    291,708,039.44x = 402,540,812.52 × 159,522,951.44
  4. Step 4: Simplify right side
    291,708,039.44x = 64,214,498,488,246,104
  5. Step 5: Solve for x
    x = 64,214,498,488,246,104/291,708,039.44
  6. Step 6: Final answer
    x = 220,132,769.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.