Home / 193,542,443.20-289,915,533.60-97,858,244.80

Finding the Fourth Proportional to 193,542,443.20, 289,915,533.60 and 97,858,244.80

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Solution

The fourth proportional to 193,542,443.20, 289,915,533.60 and 97,858,244.80 is: 146,586,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,542,443.20 : 289,915,533.60 = 97,858,244.80 : x
  2. Step 2: Convert to fraction form
    193,542,443.20/289,915,533.60 = 97,858,244.80/x
  3. Step 3: Cross multiply
    193,542,443.20x = 289,915,533.60 × 97,858,244.80
  4. Step 4: Simplify right side
    193,542,443.20x = 28,370,625,258,351,428
  5. Step 5: Solve for x
    x = 28,370,625,258,351,428/193,542,443.20
  6. Step 6: Final answer
    x = 146,586,065.51

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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.