Home / 171,247,896.96-236,322,250.56-92,931,451.20

Finding the Fourth Proportional to 171,247,896.96, 236,322,250.56 and 92,931,451.20

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Solution

The fourth proportional to 171,247,896.96, 236,322,250.56 and 92,931,451.20 is: 128,245,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,247,896.96 : 236,322,250.56 = 92,931,451.20 : x
  2. Step 2: Convert to fraction form
    171,247,896.96/236,322,250.56 = 92,931,451.20/x
  3. Step 3: Cross multiply
    171,247,896.96x = 236,322,250.56 × 92,931,451.20
  4. Step 4: Simplify right side
    171,247,896.96x = 21,961,769,695,390,812
  5. Step 5: Solve for x
    x = 21,961,769,695,390,812/171,247,896.96
  6. Step 6: Final answer
    x = 128,245,485.55

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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.