Home / 68,083,131.44-102,140,837.22-19,559,812.52

Finding the Fourth Proportional to 68,083,131.44, 102,140,837.22 and 19,559,812.52

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Solution

The fourth proportional to 68,083,131.44, 102,140,837.22 and 19,559,812.52 is: 29,344,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,083,131.44 : 102,140,837.22 = 19,559,812.52 : x
  2. Step 2: Convert to fraction form
    68,083,131.44/102,140,837.22 = 19,559,812.52/x
  3. Step 3: Cross multiply
    68,083,131.44x = 102,140,837.22 × 19,559,812.52
  4. Step 4: Simplify right side
    68,083,131.44x = 1,997,855,626,659,038
  5. Step 5: Solve for x
    x = 1,997,855,626,659,038/68,083,131.44
  6. Step 6: Final answer
    x = 29,344,355.71

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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.