Home / 136,787,930.10-188,765,927.01-74,062,949.22

Finding the Fourth Proportional to 136,787,930.10, 188,765,927.01 and 74,062,949.22

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Solution

The fourth proportional to 136,787,930.10, 188,765,927.01 and 74,062,949.22 is: 102,206,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,787,930.10 : 188,765,927.01 = 74,062,949.22 : x
  2. Step 2: Convert to fraction form
    136,787,930.10/188,765,927.01 = 74,062,949.22/x
  3. Step 3: Cross multiply
    136,787,930.10x = 188,765,927.01 × 74,062,949.22
  4. Step 4: Simplify right side
    136,787,930.10x = 13,980,561,266,607,856
  5. Step 5: Solve for x
    x = 13,980,561,266,607,856/136,787,930.10
  6. Step 6: Final answer
    x = 102,206,102.95

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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.