Home / 137,468,379.56-189,713,173.86-85,274,232.14

Finding the Fourth Proportional to 137,468,379.56, 189,713,173.86 and 85,274,232.14

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Solution

The fourth proportional to 137,468,379.56, 189,713,173.86 and 85,274,232.14 is: 117,682,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,468,379.56 : 189,713,173.86 = 85,274,232.14 : x
  2. Step 2: Convert to fraction form
    137,468,379.56/189,713,173.86 = 85,274,232.14/x
  3. Step 3: Cross multiply
    137,468,379.56x = 189,713,173.86 × 85,274,232.14
  4. Step 4: Simplify right side
    137,468,379.56x = 16,177,645,227,753,822
  5. Step 5: Solve for x
    x = 16,177,645,227,753,822/137,468,379.56
  6. Step 6: Final answer
    x = 117,682,664.77

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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.