Home / 218,086,402.86-326,550,136.77-131,707,951.02

Finding the Fourth Proportional to 218,086,402.86, 326,550,136.77 and 131,707,951.02

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Solution

The fourth proportional to 218,086,402.86, 326,550,136.77 and 131,707,951.02 is: 197,211,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,086,402.86 : 326,550,136.77 = 131,707,951.02 : x
  2. Step 2: Convert to fraction form
    218,086,402.86/326,550,136.77 = 131,707,951.02/x
  3. Step 3: Cross multiply
    218,086,402.86x = 326,550,136.77 × 131,707,951.02
  4. Step 4: Simplify right side
    218,086,402.86x = 43,009,249,419,277,456
  5. Step 5: Solve for x
    x = 43,009,249,419,277,456/218,086,402.86
  6. Step 6: Final answer
    x = 197,211,971.29

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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.