Home / 170,052,621.40-255,078,932.10-111,601,984.60

Finding the Fourth Proportional to 170,052,621.40, 255,078,932.10 and 111,601,984.60

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Solution

The fourth proportional to 170,052,621.40, 255,078,932.10 and 111,601,984.60 is: 167,402,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,052,621.40 : 255,078,932.10 = 111,601,984.60 : x
  2. Step 2: Convert to fraction form
    170,052,621.40/255,078,932.10 = 111,601,984.60/x
  3. Step 3: Cross multiply
    170,052,621.40x = 255,078,932.10 × 111,601,984.60
  4. Step 4: Simplify right side
    170,052,621.40x = 28,467,315,052,008,644
  5. Step 5: Solve for x
    x = 28,467,315,052,008,644/170,052,621.40
  6. Step 6: Final answer
    x = 167,402,976.90

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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.