Home / 148,377,319.97-204,785,220.80-82,319,100.80

Finding the Fourth Proportional to 148,377,319.97, 204,785,220.80 and 82,319,100.80

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Solution

The fourth proportional to 148,377,319.97, 204,785,220.80 and 82,319,100.80 is: 113,613,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,377,319.97 : 204,785,220.80 = 82,319,100.80 : x
  2. Step 2: Convert to fraction form
    148,377,319.97/204,785,220.80 = 82,319,100.80/x
  3. Step 3: Cross multiply
    148,377,319.97x = 204,785,220.80 × 82,319,100.80
  4. Step 4: Simplify right side
    148,377,319.97x = 16,857,735,232,567,330
  5. Step 5: Solve for x
    x = 16,857,735,232,567,330/148,377,319.97
  6. Step 6: Final answer
    x = 113,613,962.27

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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.