Home / 147,523,727.52-203,579,507.66-80,540,395.40

Finding the Fourth Proportional to 147,523,727.52, 203,579,507.66 and 80,540,395.40

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Solution

The fourth proportional to 147,523,727.52, 203,579,507.66 and 80,540,395.40 is: 111,143,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,523,727.52 : 203,579,507.66 = 80,540,395.40 : x
  2. Step 2: Convert to fraction form
    147,523,727.52/203,579,507.66 = 80,540,395.40/x
  3. Step 3: Cross multiply
    147,523,727.52x = 203,579,507.66 × 80,540,395.40
  4. Step 4: Simplify right side
    147,523,727.52x = 16,396,374,042,379,976
  5. Step 5: Solve for x
    x = 16,396,374,042,379,976/147,523,727.52
  6. Step 6: Final answer
    x = 111,143,978.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.