Home / 178,668,668.39-267,888,299.85-69,377,383.87

Finding the Fourth Proportional to 178,668,668.39, 267,888,299.85 and 69,377,383.87

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Solution

The fourth proportional to 178,668,668.39, 267,888,299.85 and 69,377,383.87 is: 104,021,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,668,668.39 : 267,888,299.85 = 69,377,383.87 : x
  2. Step 2: Convert to fraction form
    178,668,668.39/267,888,299.85 = 69,377,383.87/x
  3. Step 3: Cross multiply
    178,668,668.39x = 267,888,299.85 × 69,377,383.87
  4. Step 4: Simplify right side
    178,668,668.39x = 18,585,389,412,975,116
  5. Step 5: Solve for x
    x = 18,585,389,412,975,116/178,668,668.39
  6. Step 6: Final answer
    x = 104,021,536.51

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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.