Home / 123,270,321.18-170,115,796.22-70,345,974.96

Finding the Fourth Proportional to 123,270,321.18, 170,115,796.22 and 70,345,974.96

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Solution

The fourth proportional to 123,270,321.18, 170,115,796.22 and 70,345,974.96 is: 97,079,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,270,321.18 : 170,115,796.22 = 70,345,974.96 : x
  2. Step 2: Convert to fraction form
    123,270,321.18/170,115,796.22 = 70,345,974.96/x
  3. Step 3: Cross multiply
    123,270,321.18x = 170,115,796.22 × 70,345,974.96
  4. Step 4: Simplify right side
    123,270,321.18x = 11,966,961,540,840,852
  5. Step 5: Solve for x
    x = 11,966,961,540,840,852/123,270,321.18
  6. Step 6: Final answer
    x = 97,079,016.47

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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.