Home / 171,307,321.66-236,404,403.79-92,990,928.20

Finding the Fourth Proportional to 171,307,321.66, 236,404,403.79 and 92,990,928.20

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Solution

The fourth proportional to 171,307,321.66, 236,404,403.79 and 92,990,928.20 is: 128,327,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,307,321.66 : 236,404,403.79 = 92,990,928.20 : x
  2. Step 2: Convert to fraction form
    171,307,321.66/236,404,403.79 = 92,990,928.20/x
  3. Step 3: Cross multiply
    171,307,321.66x = 236,404,403.79 × 92,990,928.20
  4. Step 4: Simplify right side
    171,307,321.66x = 21,983,464,938,798,736
  5. Step 5: Solve for x
    x = 21,983,464,938,798,736/171,307,321.66
  6. Step 6: Final answer
    x = 128,327,643.71

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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.