Home / 168,327,372.35-252,515,155.71-51,752,516.76

Finding the Fourth Proportional to 168,327,372.35, 252,515,155.71 and 51,752,516.76

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Solution

The fourth proportional to 168,327,372.35, 252,515,155.71 and 51,752,516.76 is: 77,636,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,327,372.35 : 252,515,155.71 = 51,752,516.76 : x
  2. Step 2: Convert to fraction form
    168,327,372.35/252,515,155.71 = 51,752,516.76/x
  3. Step 3: Cross multiply
    168,327,372.35x = 252,515,155.71 × 51,752,516.76
  4. Step 4: Simplify right side
    168,327,372.35x = 13,068,294,828,035,784
  5. Step 5: Solve for x
    x = 13,068,294,828,035,784/168,327,372.35
  6. Step 6: Final answer
    x = 77,636,183.86

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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.