Home / 202,021,392.44-278,789,604.24-109,201,900.04

Finding the Fourth Proportional to 202,021,392.44, 278,789,604.24 and 109,201,900.04

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Solution

The fourth proportional to 202,021,392.44, 278,789,604.24 and 109,201,900.04 is: 150,698,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,021,392.44 : 278,789,604.24 = 109,201,900.04 : x
  2. Step 2: Convert to fraction form
    202,021,392.44/278,789,604.24 = 109,201,900.04/x
  3. Step 3: Cross multiply
    202,021,392.44x = 278,789,604.24 × 109,201,900.04
  4. Step 4: Simplify right side
    202,021,392.44x = 30,444,354,494,407,644
  5. Step 5: Solve for x
    x = 30,444,354,494,407,644/202,021,392.44
  6. Step 6: Final answer
    x = 150,698,666.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.