Home / 56,054,680.80-84,082,021.20-20,156,517.60

Finding the Fourth Proportional to 56,054,680.80, 84,082,021.20 and 20,156,517.60

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Solution

The fourth proportional to 56,054,680.80, 84,082,021.20 and 20,156,517.60 is: 30,234,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054,680.80 : 84,082,021.20 = 20,156,517.60 : x
  2. Step 2: Convert to fraction form
    56,054,680.80/84,082,021.20 = 20,156,517.60/x
  3. Step 3: Cross multiply
    56,054,680.80x = 84,082,021.20 × 20,156,517.60
  4. Step 4: Simplify right side
    56,054,680.80x = 1,694,800,740,161,373.25
  5. Step 5: Solve for x
    x = 1,694,800,740,161,373.25/56,054,680.80
  6. Step 6: Final answer
    x = 30,234,776.40

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1.5x scale

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.