Home / 277,881,540.92-416,781,310.81-81,092,116.03

Finding the Fourth Proportional to 277,881,540.92, 416,781,310.81 and 81,092,116.03

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Solution

The fourth proportional to 277,881,540.92, 416,781,310.81 and 81,092,116.03 is: 121,626,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,881,540.92 : 416,781,310.81 = 81,092,116.03 : x
  2. Step 2: Convert to fraction form
    277,881,540.92/416,781,310.81 = 81,092,116.03/x
  3. Step 3: Cross multiply
    277,881,540.92x = 416,781,310.81 × 81,092,116.03
  4. Step 4: Simplify right side
    277,881,540.92x = 33,797,678,415,340,012
  5. Step 5: Solve for x
    x = 33,797,678,415,340,012/277,881,540.92
  6. Step 6: Final answer
    x = 121,626,209.15

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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.