Home / 107,510,441.20-161,139,690.60-80,552,604.40

Finding the Fourth Proportional to 107,510,441.20, 161,139,690.60 and 80,552,604.40

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Solution

The fourth proportional to 107,510,441.20, 161,139,690.60 and 80,552,604.40 is: 120,734,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,510,441.20 : 161,139,690.60 = 80,552,604.40 : x
  2. Step 2: Convert to fraction form
    107,510,441.20/161,139,690.60 = 80,552,604.40/x
  3. Step 3: Cross multiply
    107,510,441.20x = 161,139,690.60 × 80,552,604.40
  4. Step 4: Simplify right side
    107,510,441.20x = 12,980,221,750,040,200
  5. Step 5: Solve for x
    x = 12,980,221,750,040,200/107,510,441.20
  6. Step 6: Final answer
    x = 120,734,522.20

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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.