Home / 75,286,109.80-112,929,164.70-44,978,372.20

Finding the Fourth Proportional to 75,286,109.80, 112,929,164.70 and 44,978,372.20

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Solution

The fourth proportional to 75,286,109.80, 112,929,164.70 and 44,978,372.20 is: 67,467,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286,109.80 : 112,929,164.70 = 44,978,372.20 : x
  2. Step 2: Convert to fraction form
    75,286,109.80/112,929,164.70 = 44,978,372.20/x
  3. Step 3: Cross multiply
    75,286,109.80x = 112,929,164.70 × 44,978,372.20
  4. Step 4: Simplify right side
    75,286,109.80x = 5,079,370,002,111,702
  5. Step 5: Solve for x
    x = 5,079,370,002,111,702/75,286,109.80
  6. Step 6: Final answer
    x = 67,467,558.30

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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.