Home / 114,954,912.78-172,459,825.74-38,278,605.30

Finding the Fourth Proportional to 114,954,912.78, 172,459,825.74 and 38,278,605.30

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Solution

The fourth proportional to 114,954,912.78, 172,459,825.74 and 38,278,605.30 is: 57,427,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,954,912.78 : 172,459,825.74 = 38,278,605.30 : x
  2. Step 2: Convert to fraction form
    114,954,912.78/172,459,825.74 = 38,278,605.30/x
  3. Step 3: Cross multiply
    114,954,912.78x = 172,459,825.74 × 38,278,605.30
  4. Step 4: Simplify right side
    114,954,912.78x = 6,601,521,599,608,240
  5. Step 5: Solve for x
    x = 6,601,521,599,608,240/114,954,912.78
  6. Step 6: Final answer
    x = 57,427,050.66

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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.