Home / 54,049,900.20-81,074,850.30-53,546,015.40

Finding the Fourth Proportional to 54,049,900.20, 81,074,850.30 and 53,546,015.40

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Solution

The fourth proportional to 54,049,900.20, 81,074,850.30 and 53,546,015.40 is: 80,319,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049,900.20 : 81,074,850.30 = 53,546,015.40 : x
  2. Step 2: Convert to fraction form
    54,049,900.20/81,074,850.30 = 53,546,015.40/x
  3. Step 3: Cross multiply
    54,049,900.20x = 81,074,850.30 × 53,546,015.40
  4. Step 4: Simplify right side
    54,049,900.20x = 4,341,235,182,716,494.50
  5. Step 5: Solve for x
    x = 4,341,235,182,716,494.50/54,049,900.20
  6. Step 6: Final answer
    x = 80,319,023.10

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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.