Home / 126,179,910-174,128,284.44-68,233,158

Finding the Fourth Proportional to 126,179,910, 174,128,284.44 and 68,233,158

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Solution

The fourth proportional to 126,179,910, 174,128,284.44 and 68,233,158 is: 94,161,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,179,910 : 174,128,284.44 = 68,233,158 : x
  2. Step 2: Convert to fraction form
    126,179,910/174,128,284.44 = 68,233,158/x
  3. Step 3: Cross multiply
    126,179,910x = 174,128,284.44 × 68,233,158
  4. Step 4: Simplify right side
    126,179,910x = 11,881,322,744,463,462
  5. Step 5: Solve for x
    x = 11,881,322,744,463,462/126,179,910
  6. Step 6: Final answer
    x = 94,161,762.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.