Home / 126,422,322.21-174,461,486.13-74,201,268.69

Finding the Fourth Proportional to 126,422,322.21, 174,461,486.13 and 74,201,268.69

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Solution

The fourth proportional to 126,422,322.21, 174,461,486.13 and 74,201,268.69 is: 102,396,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,422,322.21 : 174,461,486.13 = 74,201,268.69 : x
  2. Step 2: Convert to fraction form
    126,422,322.21/174,461,486.13 = 74,201,268.69/x
  3. Step 3: Cross multiply
    126,422,322.21x = 174,461,486.13 × 74,201,268.69
  4. Step 4: Simplify right side
    126,422,322.21x = 12,945,263,608,388,838
  5. Step 5: Solve for x
    x = 12,945,263,608,388,838/126,422,322.21
  6. Step 6: Final answer
    x = 102,396,976.91

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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.