Home / 191,902,169.79-287,785,902.38-53,690,636.97

Finding the Fourth Proportional to 191,902,169.79, 287,785,902.38 and 53,690,636.97

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Solution

The fourth proportional to 191,902,169.79, 287,785,902.38 and 53,690,636.97 is: 80,517,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,902,169.79 : 287,785,902.38 = 53,690,636.97 : x
  2. Step 2: Convert to fraction form
    191,902,169.79/287,785,902.38 = 53,690,636.97/x
  3. Step 3: Cross multiply
    191,902,169.79x = 287,785,902.38 × 53,690,636.97
  4. Step 4: Simplify right side
    191,902,169.79x = 15,451,408,409,499,986
  5. Step 5: Solve for x
    x = 15,451,408,409,499,986/191,902,169.79
  6. Step 6: Final answer
    x = 80,517,111.54

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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.