Home / 30,269,209.05-45,523,387.80-27,160,279.20

Finding the Fourth Proportional to 30,269,209.05, 45,523,387.80 and 27,160,279.20

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Solution

The fourth proportional to 30,269,209.05, 45,523,387.80 and 27,160,279.20 is: 40,847,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269,209.05 : 45,523,387.80 = 27,160,279.20 : x
  2. Step 2: Convert to fraction form
    30,269,209.05/45,523,387.80 = 27,160,279.20/x
  3. Step 3: Cross multiply
    30,269,209.05x = 45,523,387.80 × 27,160,279.20
  4. Step 4: Simplify right side
    30,269,209.05x = 1,236,427,922,777,873.75
  5. Step 5: Solve for x
    x = 1,236,427,922,777,873.75/30,269,209.05
  6. Step 6: Final answer
    x = 40,847,711.64

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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.