Home / 213,624,019.60-320,436,029.40-199,291,296.40

Finding the Fourth Proportional to 213,624,019.60, 320,436,029.40 and 199,291,296.40

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Solution

The fourth proportional to 213,624,019.60, 320,436,029.40 and 199,291,296.40 is: 298,936,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,624,019.60 : 320,436,029.40 = 199,291,296.40 : x
  2. Step 2: Convert to fraction form
    213,624,019.60/320,436,029.40 = 199,291,296.40/x
  3. Step 3: Cross multiply
    213,624,019.60x = 320,436,029.40 × 199,291,296.40
  4. Step 4: Simplify right side
    213,624,019.60x = 63,860,111,712,394,512
  5. Step 5: Solve for x
    x = 63,860,111,712,394,512/213,624,019.60
  6. Step 6: Final answer
    x = 298,936,944.60

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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.