Home / 203,185,083.77-280,418,676.45-113,901,142.63

Finding the Fourth Proportional to 203,185,083.77, 280,418,676.45 and 113,901,142.63

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Solution

The fourth proportional to 203,185,083.77, 280,418,676.45 and 113,901,142.63 is: 157,196,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,083.77 : 280,418,676.45 = 113,901,142.63 : x
  2. Step 2: Convert to fraction form
    203,185,083.77/280,418,676.45 = 113,901,142.63/x
  3. Step 3: Cross multiply
    203,185,083.77x = 280,418,676.45 × 113,901,142.63
  4. Step 4: Simplify right side
    203,185,083.77x = 31,940,007,662,447,268
  5. Step 5: Solve for x
    x = 31,940,007,662,447,268/203,185,083.77
  6. Step 6: Final answer
    x = 157,196,616.35

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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.