Home / 202,021,395.44-278,789,608.38-109,201,903.04

Finding the Fourth Proportional to 202,021,395.44, 278,789,608.38 and 109,201,903.04

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Solution

The fourth proportional to 202,021,395.44, 278,789,608.38 and 109,201,903.04 is: 150,698,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,021,395.44 : 278,789,608.38 = 109,201,903.04 : x
  2. Step 2: Convert to fraction form
    202,021,395.44/278,789,608.38 = 109,201,903.04/x
  3. Step 3: Cross multiply
    202,021,395.44x = 278,789,608.38 × 109,201,903.04
  4. Step 4: Simplify right side
    202,021,395.44x = 30,444,355,782,872,332
  5. Step 5: Solve for x
    x = 30,444,355,782,872,332/202,021,395.44
  6. Step 6: Final answer
    x = 150,698,670.88

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1.5x scale

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.