Home / 81,650,710.20-122,192,630.10-74,848,265.40

Finding the Fourth Proportional to 81,650,710.20, 122,192,630.10 and 74,848,265.40

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Solution

The fourth proportional to 81,650,710.20, 122,192,630.10 and 74,848,265.40 is: 112,012,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,710.20 : 122,192,630.10 = 74,848,265.40 : x
  2. Step 2: Convert to fraction form
    81,650,710.20/122,192,630.10 = 74,848,265.40/x
  3. Step 3: Cross multiply
    81,650,710.20x = 122,192,630.10 × 74,848,265.40
  4. Step 4: Simplify right side
    81,650,710.20x = 9,145,906,407,648,828
  5. Step 5: Solve for x
    x = 9,145,906,407,648,828/81,650,710.20
  6. Step 6: Final answer
    x = 112,012,576.32

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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.