Home / 95,425,905.40-143,138,858.10-80,645,284.60

Finding the Fourth Proportional to 95,425,905.40, 143,138,858.10 and 80,645,284.60

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Solution

The fourth proportional to 95,425,905.40, 143,138,858.10 and 80,645,284.60 is: 120,967,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,425,905.40 : 143,138,858.10 = 80,645,284.60 : x
  2. Step 2: Convert to fraction form
    95,425,905.40/143,138,858.10 = 80,645,284.60/x
  3. Step 3: Cross multiply
    95,425,905.40x = 143,138,858.10 × 80,645,284.60
  4. Step 4: Simplify right side
    95,425,905.40x = 11,543,473,948,793,514
  5. Step 5: Solve for x
    x = 11,543,473,948,793,514/95,425,905.40
  6. Step 6: Final answer
    x = 120,967,926.90

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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.