Home / 171,287,767.32-236,370,783.79-92,969,654.64

Finding the Fourth Proportional to 171,287,767.32, 236,370,783.79 and 92,969,654.64

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Solution

The fourth proportional to 171,287,767.32, 236,370,783.79 and 92,969,654.64 is: 128,294,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,287,767.32 : 236,370,783.79 = 92,969,654.64 : x
  2. Step 2: Convert to fraction form
    171,287,767.32/236,370,783.79 = 92,969,654.64/x
  3. Step 3: Cross multiply
    171,287,767.32x = 236,370,783.79 × 92,969,654.64
  4. Step 4: Simplify right side
    171,287,767.32x = 21,975,310,135,942,408
  5. Step 5: Solve for x
    x = 21,975,310,135,942,408/171,287,767.32
  6. Step 6: Final answer
    x = 128,294,684.90

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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.