Home / 136,787,931.10-188,765,928.39-74,062,950.22

Finding the Fourth Proportional to 136,787,931.10, 188,765,928.39 and 74,062,950.22

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Solution

The fourth proportional to 136,787,931.10, 188,765,928.39 and 74,062,950.22 is: 102,206,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,787,931.10 : 188,765,928.39 = 74,062,950.22 : x
  2. Step 2: Convert to fraction form
    136,787,931.10/188,765,928.39 = 74,062,950.22/x
  3. Step 3: Cross multiply
    136,787,931.10x = 188,765,928.39 × 74,062,950.22
  4. Step 4: Simplify right side
    136,787,931.10x = 13,980,561,557,580,654
  5. Step 5: Solve for x
    x = 13,980,561,557,580,654/136,787,931.10
  6. Step 6: Final answer
    x = 102,206,104.33

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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.