Home / 80,914,520,802.80-121,371,781,204.20-34,379,751,753.20

Finding the Fourth Proportional to 80,914,520,802.80, 121,371,781,204.20 and 34,379,751,753.20

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Solution

The fourth proportional to 80,914,520,802.80, 121,371,781,204.20 and 34,379,751,753.20 is: 51,569,627,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,914,520,802.80 : 121,371,781,204.20 = 34,379,751,753.20 : x
  2. Step 2: Convert to fraction form
    80,914,520,802.80/121,371,781,204.20 = 34,379,751,753.20/x
  3. Step 3: Cross multiply
    80,914,520,802.80x = 121,371,781,204.20 × 34,379,751,753.20
  4. Step 4: Simplify right side
    80,914,520,802.80x = 4,172,731,707,644,101,263,360
  5. Step 5: Solve for x
    x = 4,172,731,707,644,101,263,360/80,914,520,802.80
  6. Step 6: Final answer
    x = 51,569,627,629.80

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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.