Home / 217,771,789.44-326,705,514.72-64,405,889.28

Finding the Fourth Proportional to 217,771,789.44, 326,705,514.72 and 64,405,889.28

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Solution

The fourth proportional to 217,771,789.44, 326,705,514.72 and 64,405,889.28 is: 96,622,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,771,789.44 : 326,705,514.72 = 64,405,889.28 : x
  2. Step 2: Convert to fraction form
    217,771,789.44/326,705,514.72 = 64,405,889.28/x
  3. Step 3: Cross multiply
    217,771,789.44x = 326,705,514.72 × 64,405,889.28
  4. Step 4: Simplify right side
    217,771,789.44x = 21,041,759,208,221,732
  5. Step 5: Solve for x
    x = 21,041,759,208,221,732/217,771,789.44
  6. Step 6: Final answer
    x = 96,622,979.78

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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.