Home / 214,867,879.52-322,301,416.48-67,326,735.12

Finding the Fourth Proportional to 214,867,879.52, 322,301,416.48 and 67,326,735.12

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Solution

The fourth proportional to 214,867,879.52, 322,301,416.48 and 67,326,735.12 is: 100,989,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,867,879.52 : 322,301,416.48 = 67,326,735.12 : x
  2. Step 2: Convert to fraction form
    214,867,879.52/322,301,416.48 = 67,326,735.12/x
  3. Step 3: Cross multiply
    214,867,879.52x = 322,301,416.48 × 67,326,735.12
  4. Step 4: Simplify right side
    214,867,879.52x = 21,699,502,096,149,764
  5. Step 5: Solve for x
    x = 21,699,502,096,149,764/214,867,879.52
  6. Step 6: Final answer
    x = 100,989,976.47

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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.