Home / 198,150,952.60-297,120,140.70-83,005,402.60

Finding the Fourth Proportional to 198,150,952.60, 297,120,140.70 and 83,005,402.60

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Solution

The fourth proportional to 198,150,952.60, 297,120,140.70 and 83,005,402.60 is: 124,463,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,150,952.60 : 297,120,140.70 = 83,005,402.60 : x
  2. Step 2: Convert to fraction form
    198,150,952.60/297,120,140.70 = 83,005,402.60/x
  3. Step 3: Cross multiply
    198,150,952.60x = 297,120,140.70 × 83,005,402.60
  4. Step 4: Simplify right side
    198,150,952.60x = 24,662,576,899,372,144
  5. Step 5: Solve for x
    x = 24,662,576,899,372,144/198,150,952.60
  6. Step 6: Final answer
    x = 124,463,579.79

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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.