Home / 209,952,245.70-314,928,368.55-132,468,147.90

Finding the Fourth Proportional to 209,952,245.70, 314,928,368.55 and 132,468,147.90

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Solution

The fourth proportional to 209,952,245.70, 314,928,368.55 and 132,468,147.90 is: 198,702,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,245.70 : 314,928,368.55 = 132,468,147.90 : x
  2. Step 2: Convert to fraction form
    209,952,245.70/314,928,368.55 = 132,468,147.90/x
  3. Step 3: Cross multiply
    209,952,245.70x = 314,928,368.55 × 132,468,147.90
  4. Step 4: Simplify right side
    209,952,245.70x = 41,717,977,702,987,112
  5. Step 5: Solve for x
    x = 41,717,977,702,987,112/209,952,245.70
  6. Step 6: Final answer
    x = 198,702,221.85

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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.