Home / 71,115,265.20-106,677,563.40-19,998,951.60

Finding the Fourth Proportional to 71,115,265.20, 106,677,563.40 and 19,998,951.60

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Solution

The fourth proportional to 71,115,265.20, 106,677,563.40 and 19,998,951.60 is: 29,999,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115,265.20 : 106,677,563.40 = 19,998,951.60 : x
  2. Step 2: Convert to fraction form
    71,115,265.20/106,677,563.40 = 19,998,951.60/x
  3. Step 3: Cross multiply
    71,115,265.20x = 106,677,563.40 × 19,998,951.60
  4. Step 4: Simplify right side
    71,115,265.20x = 2,133,439,427,242,531.75
  5. Step 5: Solve for x
    x = 2,133,439,427,242,531.75/71,115,265.20
  6. Step 6: Final answer
    x = 29,999,739.45

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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.