Home / 168,327,372.30-252,515,155.65-51,752,516.72

Finding the Fourth Proportional to 168,327,372.30, 252,515,155.65 and 51,752,516.72

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Solution

The fourth proportional to 168,327,372.30, 252,515,155.65 and 51,752,516.72 is: 77,636,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,327,372.30 : 252,515,155.65 = 51,752,516.72 : x
  2. Step 2: Convert to fraction form
    168,327,372.30/252,515,155.65 = 51,752,516.72/x
  3. Step 3: Cross multiply
    168,327,372.30x = 252,515,155.65 × 51,752,516.72
  4. Step 4: Simplify right side
    168,327,372.30x = 13,068,294,814,830,028
  5. Step 5: Solve for x
    x = 13,068,294,814,830,028/168,327,372.30
  6. Step 6: Final answer
    x = 77,636,183.80

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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.