Home / 75,629,761.20-113,444,641.80-73,950,145.20

Finding the Fourth Proportional to 75,629,761.20, 113,444,641.80 and 73,950,145.20

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Solution

The fourth proportional to 75,629,761.20, 113,444,641.80 and 73,950,145.20 is: 110,925,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629,761.20 : 113,444,641.80 = 73,950,145.20 : x
  2. Step 2: Convert to fraction form
    75,629,761.20/113,444,641.80 = 73,950,145.20/x
  3. Step 3: Cross multiply
    75,629,761.20x = 113,444,641.80 × 73,950,145.20
  4. Step 4: Simplify right side
    75,629,761.20x = 8,389,247,733,271,989
  5. Step 5: Solve for x
    x = 8,389,247,733,271,989/75,629,761.20
  6. Step 6: Final answer
    x = 110,925,217.80

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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.