Home / 202,308,962.40-279,187,209.56-109,489,462.04

Finding the Fourth Proportional to 202,308,962.40, 279,187,209.56 and 109,489,462.04

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Solution

The fourth proportional to 202,308,962.40, 279,187,209.56 and 109,489,462.04 is: 151,095,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,308,962.40 : 279,187,209.56 = 109,489,462.04 : x
  2. Step 2: Convert to fraction form
    202,308,962.40/279,187,209.56 = 109,489,462.04/x
  3. Step 3: Cross multiply
    202,308,962.40x = 279,187,209.56 × 109,489,462.04
  4. Step 4: Simplify right side
    202,308,962.40x = 30,568,057,383,173,148
  5. Step 5: Solve for x
    x = 30,568,057,383,173,148/202,308,962.40
  6. Step 6: Final answer
    x = 151,095,913.01

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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.