Home / 137,468,400.64-189,713,202.98-85,274,253.25

Finding the Fourth Proportional to 137,468,400.64, 189,713,202.98 and 85,274,253.25

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Solution

The fourth proportional to 137,468,400.64, 189,713,202.98 and 85,274,253.25 is: 117,682,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,468,400.64 : 189,713,202.98 = 85,274,253.25 : x
  2. Step 2: Convert to fraction form
    137,468,400.64/189,713,202.98 = 85,274,253.25/x
  3. Step 3: Cross multiply
    137,468,400.64x = 189,713,202.98 × 85,274,253.25
  4. Step 4: Simplify right side
    137,468,400.64x = 16,177,651,715,998,360
  5. Step 5: Solve for x
    x = 16,177,651,715,998,360/137,468,400.64
  6. Step 6: Final answer
    x = 117,682,693.92

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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.