Home / 199,291,213.90-298,936,820.85-91,585,837.90

Finding the Fourth Proportional to 199,291,213.90, 298,936,820.85 and 91,585,837.90

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Solution

The fourth proportional to 199,291,213.90, 298,936,820.85 and 91,585,837.90 is: 137,378,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291,213.90 : 298,936,820.85 = 91,585,837.90 : x
  2. Step 2: Convert to fraction form
    199,291,213.90/298,936,820.85 = 91,585,837.90/x
  3. Step 3: Cross multiply
    199,291,213.90x = 298,936,820.85 × 91,585,837.90
  4. Step 4: Simplify right side
    199,291,213.90x = 27,378,379,216,709,444
  5. Step 5: Solve for x
    x = 27,378,379,216,709,444/199,291,213.90
  6. Step 6: Final answer
    x = 137,378,756.85

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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.