Home / 203,185,090.28-280,418,685.43-113,901,149.14

Finding the Fourth Proportional to 203,185,090.28, 280,418,685.43 and 113,901,149.14

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Solution

The fourth proportional to 203,185,090.28, 280,418,685.43 and 113,901,149.14 is: 157,196,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,090.28 : 280,418,685.43 = 113,901,149.14 : x
  2. Step 2: Convert to fraction form
    203,185,090.28/280,418,685.43 = 113,901,149.14/x
  3. Step 3: Cross multiply
    203,185,090.28x = 280,418,685.43 × 113,901,149.14
  4. Step 4: Simplify right side
    203,185,090.28x = 31,940,010,510,805,176
  5. Step 5: Solve for x
    x = 31,940,010,510,805,176/203,185,090.28
  6. Step 6: Final answer
    x = 157,196,625.34

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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.