Home / 199,318,837.86-299,130,857.46-90,220,624.44

Finding the Fourth Proportional to 199,318,837.86, 299,130,857.46 and 90,220,624.44

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Solution

The fourth proportional to 199,318,837.86, 299,130,857.46 and 90,220,624.44 is: 135,400,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318,837.86 : 299,130,857.46 = 90,220,624.44 : x
  2. Step 2: Convert to fraction form
    199,318,837.86/299,130,857.46 = 90,220,624.44/x
  3. Step 3: Cross multiply
    199,318,837.86x = 299,130,857.46 × 90,220,624.44
  4. Step 4: Simplify right side
    199,318,837.86x = 26,987,772,749,313,828
  5. Step 5: Solve for x
    x = 26,987,772,749,313,828/199,318,837.86
  6. Step 6: Final answer
    x = 135,400,010.55

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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.