Home / 48,525,912.17-66,974,408.66-28,678,867.33

Finding the Fourth Proportional to 48,525,912.17, 66,974,408.66 and 28,678,867.33

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Solution

The fourth proportional to 48,525,912.17, 66,974,408.66 and 28,678,867.33 is: 39,581,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,525,912.17 : 66,974,408.66 = 28,678,867.33 : x
  2. Step 2: Convert to fraction form
    48,525,912.17/66,974,408.66 = 28,678,867.33/x
  3. Step 3: Cross multiply
    48,525,912.17x = 66,974,408.66 × 28,678,867.33
  4. Step 4: Simplify right side
    48,525,912.17x = 1,920,750,179,987,076.75
  5. Step 5: Solve for x
    x = 1,920,750,179,987,076.75/48,525,912.17
  6. Step 6: Final answer
    x = 39,581,948.99

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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.