Home / 225,163,507.59-310,565,456.91-206,638,469.28

Finding the Fourth Proportional to 225,163,507.59, 310,565,456.91 and 206,638,469.28

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Solution

The fourth proportional to 225,163,507.59, 310,565,456.91 and 206,638,469.28 is: 285,014,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,163,507.59 : 310,565,456.91 = 206,638,469.28 : x
  2. Step 2: Convert to fraction form
    225,163,507.59/310,565,456.91 = 206,638,469.28/x
  3. Step 3: Cross multiply
    225,163,507.59x = 310,565,456.91 × 206,638,469.28
  4. Step 4: Simplify right side
    225,163,507.59x = 64,174,770,627,126,208
  5. Step 5: Solve for x
    x = 64,174,770,627,126,208/225,163,507.59
  6. Step 6: Final answer
    x = 285,014,082.94

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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.