Home / 30,537,081.20-45,805,621.80-27,189,002.90

Finding the Fourth Proportional to 30,537,081.20, 45,805,621.80 and 27,189,002.90

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Solution

The fourth proportional to 30,537,081.20, 45,805,621.80 and 27,189,002.90 is: 40,783,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,081.20 : 45,805,621.80 = 27,189,002.90 : x
  2. Step 2: Convert to fraction form
    30,537,081.20/45,805,621.80 = 27,189,002.90/x
  3. Step 3: Cross multiply
    30,537,081.20x = 45,805,621.80 × 27,189,002.90
  4. Step 4: Simplify right side
    30,537,081.20x = 1,245,409,183,956,503
  5. Step 5: Solve for x
    x = 1,245,409,183,956,503/30,537,081.20
  6. Step 6: Final answer
    x = 40,783,504.35

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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.