Home / 136,810,891.45-188,799,212.31-74,087,097.64

Finding the Fourth Proportional to 136,810,891.45, 188,799,212.31 and 74,087,097.64

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Solution

The fourth proportional to 136,810,891.45, 188,799,212.31 and 74,087,097.64 is: 102,240,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,810,891.45 : 188,799,212.31 = 74,087,097.64 : x
  2. Step 2: Convert to fraction form
    136,810,891.45/188,799,212.31 = 74,087,097.64/x
  3. Step 3: Cross multiply
    136,810,891.45x = 188,799,212.31 × 74,087,097.64
  4. Step 4: Simplify right side
    136,810,891.45x = 13,987,585,676,766,060
  5. Step 5: Solve for x
    x = 13,987,585,676,766,060/136,810,891.45
  6. Step 6: Final answer
    x = 102,240,293.36

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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.