Home / 178,668,669.36-267,888,301.31-69,377,384.84

Finding the Fourth Proportional to 178,668,669.36, 267,888,301.31 and 69,377,384.84

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Solution

The fourth proportional to 178,668,669.36, 267,888,301.31 and 69,377,384.84 is: 104,021,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,668,669.36 : 267,888,301.31 = 69,377,384.84 : x
  2. Step 2: Convert to fraction form
    178,668,669.36/267,888,301.31 = 69,377,384.84/x
  3. Step 3: Cross multiply
    178,668,669.36x = 267,888,301.31 × 69,377,384.84
  4. Step 4: Simplify right side
    178,668,669.36x = 18,585,389,772,431,416
  5. Step 5: Solve for x
    x = 18,585,389,772,431,416/178,668,669.36
  6. Step 6: Final answer
    x = 104,021,537.96

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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.