Home / 221,430,815.70-332,146,223.55-106,387,617.30

Finding the Fourth Proportional to 221,430,815.70, 332,146,223.55 and 106,387,617.30

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Solution

The fourth proportional to 221,430,815.70, 332,146,223.55 and 106,387,617.30 is: 159,581,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,430,815.70 : 332,146,223.55 = 106,387,617.30 : x
  2. Step 2: Convert to fraction form
    221,430,815.70/332,146,223.55 = 106,387,617.30/x
  3. Step 3: Cross multiply
    221,430,815.70x = 332,146,223.55 × 106,387,617.30
  4. Step 4: Simplify right side
    221,430,815.70x = 35,336,245,318,677,648
  5. Step 5: Solve for x
    x = 35,336,245,318,677,648/221,430,815.70
  6. Step 6: Final answer
    x = 159,581,425.95

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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.