Home / 194,691,043.76-268,630,687.35-115,266,667.32

Finding the Fourth Proportional to 194,691,043.76, 268,630,687.35 and 115,266,667.32

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Solution

The fourth proportional to 194,691,043.76, 268,630,687.35 and 115,266,667.32 is: 159,042,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,691,043.76 : 268,630,687.35 = 115,266,667.32 : x
  2. Step 2: Convert to fraction form
    194,691,043.76/268,630,687.35 = 115,266,667.32/x
  3. Step 3: Cross multiply
    194,691,043.76x = 268,630,687.35 × 115,266,667.32
  4. Step 4: Simplify right side
    194,691,043.76x = 30,964,164,070,715,384
  5. Step 5: Solve for x
    x = 30,964,164,070,715,384/194,691,043.76
  6. Step 6: Final answer
    x = 159,042,570.60

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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.