Home / 113,589,643.20-170,384,464.80-106,871,179.20

Finding the Fourth Proportional to 113,589,643.20, 170,384,464.80 and 106,871,179.20

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Solution

The fourth proportional to 113,589,643.20, 170,384,464.80 and 106,871,179.20 is: 160,306,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,589,643.20 : 170,384,464.80 = 106,871,179.20 : x
  2. Step 2: Convert to fraction form
    113,589,643.20/170,384,464.80 = 106,871,179.20/x
  3. Step 3: Cross multiply
    113,589,643.20x = 170,384,464.80 × 106,871,179.20
  4. Step 4: Simplify right side
    113,589,643.20x = 18,209,188,670,536,892
  5. Step 5: Solve for x
    x = 18,209,188,670,536,892/113,589,643.20
  6. Step 6: Final answer
    x = 160,306,768.80

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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.