Home / 440,109,850.40-660,164,775.60-133,362,105.20

Finding the Fourth Proportional to 440,109,850.40, 660,164,775.60 and 133,362,105.20

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Solution

The fourth proportional to 440,109,850.40, 660,164,775.60 and 133,362,105.20 is: 200,043,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,109,850.40 : 660,164,775.60 = 133,362,105.20 : x
  2. Step 2: Convert to fraction form
    440,109,850.40/660,164,775.60 = 133,362,105.20/x
  3. Step 3: Cross multiply
    440,109,850.40x = 660,164,775.60 × 133,362,105.20
  4. Step 4: Simplify right side
    440,109,850.40x = 88,040,964,252,901,600
  5. Step 5: Solve for x
    x = 88,040,964,252,901,600/440,109,850.40
  6. Step 6: Final answer
    x = 200,043,157.80

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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.