Home / 166,955,218.40-250,320,853.20-76,032,005.60

Finding the Fourth Proportional to 166,955,218.40, 250,320,853.20 and 76,032,005.60

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Solution

The fourth proportional to 166,955,218.40, 250,320,853.20 and 76,032,005.60 is: 113,997,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,955,218.40 : 250,320,853.20 = 76,032,005.60 : x
  2. Step 2: Convert to fraction form
    166,955,218.40/250,320,853.20 = 76,032,005.60/x
  3. Step 3: Cross multiply
    166,955,218.40x = 250,320,853.20 × 76,032,005.60
  4. Step 4: Simplify right side
    166,955,218.40x = 19,032,396,512,299,176
  5. Step 5: Solve for x
    x = 19,032,396,512,299,176/166,955,218.40
  6. Step 6: Final answer
    x = 113,997,014.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.