Home / 136,822,029.51-188,812,067.19-74,097,619.14

Finding the Fourth Proportional to 136,822,029.51, 188,812,067.19 and 74,097,619.14

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Solution

The fourth proportional to 136,822,029.51, 188,812,067.19 and 74,097,619.14 is: 102,253,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,822,029.51 : 188,812,067.19 = 74,097,619.14 : x
  2. Step 2: Convert to fraction form
    136,822,029.51/188,812,067.19 = 74,097,619.14/x
  3. Step 3: Cross multiply
    136,822,029.51x = 188,812,067.19 × 74,097,619.14
  4. Step 4: Simplify right side
    136,822,029.51x = 13,990,524,643,680,710
  5. Step 5: Solve for x
    x = 13,990,524,643,680,710/136,822,029.51
  6. Step 6: Final answer
    x = 102,253,450.66

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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.