Home / 178,668,671.38-267,888,304.34-69,377,386.88

Finding the Fourth Proportional to 178,668,671.38, 267,888,304.34 and 69,377,386.88

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Solution

The fourth proportional to 178,668,671.38, 267,888,304.34 and 69,377,386.88 is: 104,021,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,668,671.38 : 267,888,304.34 = 69,377,386.88 : x
  2. Step 2: Convert to fraction form
    178,668,671.38/267,888,304.34 = 69,377,386.88/x
  3. Step 3: Cross multiply
    178,668,671.38x = 267,888,304.34 × 69,377,386.88
  4. Step 4: Simplify right side
    178,668,671.38x = 18,585,390,530,823,364
  5. Step 5: Solve for x
    x = 18,585,390,530,823,364/178,668,671.38
  6. Step 6: Final answer
    x = 104,021,541.03

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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.