Home / 121,185,321.06-182,047,022.67-75,161,201.78

Finding the Fourth Proportional to 121,185,321.06, 182,047,022.67 and 75,161,201.78

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Solution

The fourth proportional to 121,185,321.06, 182,047,022.67 and 75,161,201.78 is: 112,908,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,185,321.06 : 182,047,022.67 = 75,161,201.78 : x
  2. Step 2: Convert to fraction form
    121,185,321.06/182,047,022.67 = 75,161,201.78/x
  3. Step 3: Cross multiply
    121,185,321.06x = 182,047,022.67 × 75,161,201.78
  4. Step 4: Simplify right side
    121,185,321.06x = 13,682,873,004,348,104
  5. Step 5: Solve for x
    x = 13,682,873,004,348,104/121,185,321.06
  6. Step 6: Final answer
    x = 112,908,666.53

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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.