Home / 277,881,539.92-416,781,309.31-81,092,115.03

Finding the Fourth Proportional to 277,881,539.92, 416,781,309.31 and 81,092,115.03

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Solution

The fourth proportional to 277,881,539.92, 416,781,309.31 and 81,092,115.03 is: 121,626,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,881,539.92 : 416,781,309.31 = 81,092,115.03 : x
  2. Step 2: Convert to fraction form
    277,881,539.92/416,781,309.31 = 81,092,115.03/x
  3. Step 3: Cross multiply
    277,881,539.92x = 416,781,309.31 × 81,092,115.03
  4. Step 4: Simplify right side
    277,881,539.92x = 33,797,677,877,487,972
  5. Step 5: Solve for x
    x = 33,797,677,877,487,972/277,881,539.92
  6. Step 6: Final answer
    x = 121,626,207.66

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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.