Home / 68,274,386.82-102,159,636.03-40,997,291.22

Finding the Fourth Proportional to 68,274,386.82, 102,159,636.03 and 40,997,291.22

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Solution

The fourth proportional to 68,274,386.82, 102,159,636.03 and 40,997,291.22 is: 61,344,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,274,386.82 : 102,159,636.03 = 40,997,291.22 : x
  2. Step 2: Convert to fraction form
    68,274,386.82/102,159,636.03 = 40,997,291.22/x
  3. Step 3: Cross multiply
    68,274,386.82x = 102,159,636.03 × 40,997,291.22
  4. Step 4: Simplify right side
    68,274,386.82x = 4,188,268,349,251,114.50
  5. Step 5: Solve for x
    x = 4,188,268,349,251,114.50/68,274,386.82
  6. Step 6: Final answer
    x = 61,344,649.79

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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.