Home / 193,542,605.20-289,915,776.60-97,858,406.80

Finding the Fourth Proportional to 193,542,605.20, 289,915,776.60 and 97,858,406.80

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Solution

The fourth proportional to 193,542,605.20, 289,915,776.60 and 97,858,406.80 is: 146,586,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,542,605.20 : 289,915,776.60 = 97,858,406.80 : x
  2. Step 2: Convert to fraction form
    193,542,605.20/289,915,776.60 = 97,858,406.80/x
  3. Step 3: Cross multiply
    193,542,605.20x = 289,915,776.60 × 97,858,406.80
  4. Step 4: Simplify right side
    193,542,605.20x = 28,370,696,004,260,724
  5. Step 5: Solve for x
    x = 28,370,696,004,260,724/193,542,605.20
  6. Step 6: Final answer
    x = 146,586,308.35

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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.