Home / 206,751,340.14-309,939,302.37-103,152,231.66

Finding the Fourth Proportional to 206,751,340.14, 309,939,302.37 and 103,152,231.66

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Solution

The fourth proportional to 206,751,340.14, 309,939,302.37 and 103,152,231.66 is: 154,634,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,751,340.14 : 309,939,302.37 = 103,152,231.66 : x
  2. Step 2: Convert to fraction form
    206,751,340.14/309,939,302.37 = 103,152,231.66/x
  3. Step 3: Cross multiply
    206,751,340.14x = 309,939,302.37 × 103,152,231.66
  4. Step 4: Simplify right side
    206,751,340.14x = 31,970,930,718,609,028
  5. Step 5: Solve for x
    x = 31,970,930,718,609,028/206,751,340.14
  6. Step 6: Final answer
    x = 154,634,696.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.