Home / 315,561,785.70-435,466,910.80-176,333,691.54

Finding the Fourth Proportional to 315,561,785.70, 435,466,910.80 and 176,333,691.54

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Solution

The fourth proportional to 315,561,785.70, 435,466,910.80 and 176,333,691.54 is: 243,335,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,785.70 : 435,466,910.80 = 176,333,691.54 : x
  2. Step 2: Convert to fraction form
    315,561,785.70/435,466,910.80 = 176,333,691.54/x
  3. Step 3: Cross multiply
    315,561,785.70x = 435,466,910.80 × 176,333,691.54
  4. Step 4: Simplify right side
    315,561,785.70x = 76,787,487,924,002,224
  5. Step 5: Solve for x
    x = 76,787,487,924,002,224/315,561,785.70
  6. Step 6: Final answer
    x = 243,335,826.46

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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.