Home / 80,881,131-121,321,696.50-27,028,443

Finding the Fourth Proportional to 80,881,131, 121,321,696.50 and 27,028,443

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Solution

The fourth proportional to 80,881,131, 121,321,696.50 and 27,028,443 is: 40,542,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881,131 : 121,321,696.50 = 27,028,443 : x
  2. Step 2: Convert to fraction form
    80,881,131/121,321,696.50 = 27,028,443/x
  3. Step 3: Cross multiply
    80,881,131x = 121,321,696.50 × 27,028,443
  4. Step 4: Simplify right side
    80,881,131x = 3,279,136,558,513,549.50
  5. Step 5: Solve for x
    x = 3,279,136,558,513,549.50/80,881,131
  6. Step 6: Final answer
    x = 40,542,664.50

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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.