Home / 178,668,673.38-267,888,307.34-69,377,388.88

Finding the Fourth Proportional to 178,668,673.38, 267,888,307.34 and 69,377,388.88

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Solution

The fourth proportional to 178,668,673.38, 267,888,307.34 and 69,377,388.88 is: 104,021,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,668,673.38 : 267,888,307.34 = 69,377,388.88 : x
  2. Step 2: Convert to fraction form
    178,668,673.38/267,888,307.34 = 69,377,388.88/x
  3. Step 3: Cross multiply
    178,668,673.38x = 267,888,307.34 × 69,377,388.88
  4. Step 4: Simplify right side
    178,668,673.38x = 18,585,391,274,732,136
  5. Step 5: Solve for x
    x = 18,585,391,274,732,136/178,668,673.38
  6. Step 6: Final answer
    x = 104,021,544.03

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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.