Home / 38,662,703.08-53,305,001.31-31,667,611.12

Finding the Fourth Proportional to 38,662,703.08, 53,305,001.31 and 31,667,611.12

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Solution

The fourth proportional to 38,662,703.08, 53,305,001.31 and 31,667,611.12 is: 43,660,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662,703.08 : 53,305,001.31 = 31,667,611.12 : x
  2. Step 2: Convert to fraction form
    38,662,703.08/53,305,001.31 = 31,667,611.12/x
  3. Step 3: Cross multiply
    38,662,703.08x = 53,305,001.31 × 31,667,611.12
  4. Step 4: Simplify right side
    38,662,703.08x = 1,688,042,052,236,170.75
  5. Step 5: Solve for x
    x = 1,688,042,052,236,170.75/38,662,703.08
  6. Step 6: Final answer
    x = 43,660,735.48

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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.