Home / 217,727,999.90-326,619,993.45-108,608,947.10

Finding the Fourth Proportional to 217,727,999.90, 326,619,993.45 and 108,608,947.10

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Solution

The fourth proportional to 217,727,999.90, 326,619,993.45 and 108,608,947.10 is: 162,927,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,727,999.90 : 326,619,993.45 = 108,608,947.10 : x
  2. Step 2: Convert to fraction form
    217,727,999.90/326,619,993.45 = 108,608,947.10/x
  3. Step 3: Cross multiply
    217,727,999.90x = 326,619,993.45 × 108,608,947.10
  4. Step 4: Simplify right side
    217,727,999.90x = 35,473,853,590,413,392
  5. Step 5: Solve for x
    x = 35,473,853,590,413,392/217,727,999.90
  6. Step 6: Final answer
    x = 162,927,384.66

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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.