Home / 443,232,134.40-664,848,201.60-120,116,006.40

Finding the Fourth Proportional to 443,232,134.40, 664,848,201.60 and 120,116,006.40

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Solution

The fourth proportional to 443,232,134.40, 664,848,201.60 and 120,116,006.40 is: 180,174,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,134.40 : 664,848,201.60 = 120,116,006.40 : x
  2. Step 2: Convert to fraction form
    443,232,134.40/664,848,201.60 = 120,116,006.40/x
  3. Step 3: Cross multiply
    443,232,134.40x = 664,848,201.60 × 120,116,006.40
  4. Step 4: Simplify right side
    443,232,134.40x = 79,858,910,838,414,096
  5. Step 5: Solve for x
    x = 79,858,910,838,414,096/443,232,134.40
  6. Step 6: Final answer
    x = 180,174,009.60

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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.