Home / 92,448,019.20-138,672,028.80-65,574,163.20

Finding the Fourth Proportional to 92,448,019.20, 138,672,028.80 and 65,574,163.20

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Solution

The fourth proportional to 92,448,019.20, 138,672,028.80 and 65,574,163.20 is: 98,361,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,448,019.20 : 138,672,028.80 = 65,574,163.20 : x
  2. Step 2: Convert to fraction form
    92,448,019.20/138,672,028.80 = 65,574,163.20/x
  3. Step 3: Cross multiply
    92,448,019.20x = 138,672,028.80 × 65,574,163.20
  4. Step 4: Simplify right side
    92,448,019.20x = 9,093,302,247,806,302
  5. Step 5: Solve for x
    x = 9,093,302,247,806,302/92,448,019.20
  6. Step 6: Final answer
    x = 98,361,244.80

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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.