Home / 315,561,787.20-435,466,912.87-176,333,693.04

Finding the Fourth Proportional to 315,561,787.20, 435,466,912.87 and 176,333,693.04

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Solution

The fourth proportional to 315,561,787.20, 435,466,912.87 and 176,333,693.04 is: 243,335,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,787.20 : 435,466,912.87 = 176,333,693.04 : x
  2. Step 2: Convert to fraction form
    315,561,787.20/435,466,912.87 = 176,333,693.04/x
  3. Step 3: Cross multiply
    315,561,787.20x = 435,466,912.87 × 176,333,693.04
  4. Step 4: Simplify right side
    315,561,787.20x = 76,787,488,942,654,176
  5. Step 5: Solve for x
    x = 76,787,488,942,654,176/315,561,787.20
  6. Step 6: Final answer
    x = 243,335,828.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.