Home / 193,555,844.20-290,333,766.30-132,243,639.40

Finding the Fourth Proportional to 193,555,844.20, 290,333,766.30 and 132,243,639.40

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Solution

The fourth proportional to 193,555,844.20, 290,333,766.30 and 132,243,639.40 is: 198,365,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,844.20 : 290,333,766.30 = 132,243,639.40 : x
  2. Step 2: Convert to fraction form
    193,555,844.20/290,333,766.30 = 132,243,639.40/x
  3. Step 3: Cross multiply
    193,555,844.20x = 290,333,766.30 × 132,243,639.40
  4. Step 4: Simplify right side
    193,555,844.20x = 38,394,793,896,221,072
  5. Step 5: Solve for x
    x = 38,394,793,896,221,072/193,555,844.20
  6. Step 6: Final answer
    x = 198,365,459.10

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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.