Home / 168,415,930.76-252,363,503.01-131,440,148.42

Finding the Fourth Proportional to 168,415,930.76, 252,363,503.01 and 131,440,148.42

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Solution

The fourth proportional to 168,415,930.76, 252,363,503.01 and 131,440,148.42 is: 196,956,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,415,930.76 : 252,363,503.01 = 131,440,148.42 : x
  2. Step 2: Convert to fraction form
    168,415,930.76/252,363,503.01 = 131,440,148.42/x
  3. Step 3: Cross multiply
    168,415,930.76x = 252,363,503.01 × 131,440,148.42
  4. Step 4: Simplify right side
    168,415,930.76x = 33,170,696,291,425,516
  5. Step 5: Solve for x
    x = 33,170,696,291,425,516/168,415,930.76
  6. Step 6: Final answer
    x = 196,956,998.91

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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.