Home / 117,914,952.66-162,720,455.11-64,270,076.13

Finding the Fourth Proportional to 117,914,952.66, 162,720,455.11 and 64,270,076.13

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Solution

The fourth proportional to 117,914,952.66, 162,720,455.11 and 64,270,076.13 is: 88,691,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914,952.66 : 162,720,455.11 = 64,270,076.13 : x
  2. Step 2: Convert to fraction form
    117,914,952.66/162,720,455.11 = 64,270,076.13/x
  3. Step 3: Cross multiply
    117,914,952.66x = 162,720,455.11 × 64,270,076.13
  4. Step 4: Simplify right side
    117,914,952.66x = 10,458,056,037,667,272
  5. Step 5: Solve for x
    x = 10,458,056,037,667,272/117,914,952.66
  6. Step 6: Final answer
    x = 88,691,517.08

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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.