Home / 122,339,773.92-168,830,268.08-66,585,551.27

Finding the Fourth Proportional to 122,339,773.92, 168,830,268.08 and 66,585,551.27

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Solution

The fourth proportional to 122,339,773.92, 168,830,268.08 and 66,585,551.27 is: 91,888,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,339,773.92 : 168,830,268.08 = 66,585,551.27 : x
  2. Step 2: Convert to fraction form
    122,339,773.92/168,830,268.08 = 66,585,551.27/x
  3. Step 3: Cross multiply
    122,339,773.92x = 168,830,268.08 × 66,585,551.27
  4. Step 4: Simplify right side
    122,339,773.92x = 11,241,656,471,168,686
  5. Step 5: Solve for x
    x = 11,241,656,471,168,686/122,339,773.92
  6. Step 6: Final answer
    x = 91,888,811.88

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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.