Home / 217,299,761.39-326,036,726.60-79,134,979.34

Finding the Fourth Proportional to 217,299,761.39, 326,036,726.60 and 79,134,979.34

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Solution

The fourth proportional to 217,299,761.39, 326,036,726.60 and 79,134,979.34 is: 118,734,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,299,761.39 : 326,036,726.60 = 79,134,979.34 : x
  2. Step 2: Convert to fraction form
    217,299,761.39/326,036,726.60 = 79,134,979.34/x
  3. Step 3: Cross multiply
    217,299,761.39x = 326,036,726.60 × 79,134,979.34
  4. Step 4: Simplify right side
    217,299,761.39x = 25,800,909,621,546,372
  5. Step 5: Solve for x
    x = 25,800,909,621,546,372/217,299,761.39
  6. Step 6: Final answer
    x = 118,734,182.94

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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.