Home / 203,185,083.02-280,418,675.42-113,901,141.88

Finding the Fourth Proportional to 203,185,083.02, 280,418,675.42 and 113,901,141.88

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Solution

The fourth proportional to 203,185,083.02, 280,418,675.42 and 113,901,141.88 is: 157,196,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,083.02 : 280,418,675.42 = 113,901,141.88 : x
  2. Step 2: Convert to fraction form
    203,185,083.02/280,418,675.42 = 113,901,141.88/x
  3. Step 3: Cross multiply
    203,185,083.02x = 280,418,675.42 × 113,901,141.88
  4. Step 4: Simplify right side
    203,185,083.02x = 31,940,007,333,544,536
  5. Step 5: Solve for x
    x = 31,940,007,333,544,536/203,185,083.02
  6. Step 6: Final answer
    x = 157,196,615.32

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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.