Home / 136,944,887.40-188,986,228.14-74,222,988.60

Finding the Fourth Proportional to 136,944,887.40, 188,986,228.14 and 74,222,988.60

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Solution

The fourth proportional to 136,944,887.40, 188,986,228.14 and 74,222,988.60 is: 102,428,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944,887.40 : 188,986,228.14 = 74,222,988.60 : x
  2. Step 2: Convert to fraction form
    136,944,887.40/188,986,228.14 = 74,222,988.60/x
  3. Step 3: Cross multiply
    136,944,887.40x = 188,986,228.14 × 74,222,988.60
  4. Step 4: Simplify right side
    136,944,887.40x = 14,027,122,656,792,218
  5. Step 5: Solve for x
    x = 14,027,122,656,792,218/136,944,887.40
  6. Step 6: Final answer
    x = 102,428,961.92

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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.