Home / 68,989,998.67-103,556,775.38-50,814,716.47

Finding the Fourth Proportional to 68,989,998.67, 103,556,775.38 and 50,814,716.47

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Solution

The fourth proportional to 68,989,998.67, 103,556,775.38 and 50,814,716.47 is: 76,274,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,998.67 : 103,556,775.38 = 50,814,716.47 : x
  2. Step 2: Convert to fraction form
    68,989,998.67/103,556,775.38 = 50,814,716.47/x
  3. Step 3: Cross multiply
    68,989,998.67x = 103,556,775.38 × 50,814,716.47
  4. Step 4: Simplify right side
    68,989,998.67x = 5,262,208,178,969,211
  5. Step 5: Solve for x
    x = 5,262,208,178,969,211/68,989,998.67
  6. Step 6: Final answer
    x = 76,274,942.46

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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.