Home / 111,078,445.74-166,725,138.34-53,611,171.62

Finding the Fourth Proportional to 111,078,445.74, 166,725,138.34 and 53,611,171.62

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Solution

The fourth proportional to 111,078,445.74, 166,725,138.34 and 53,611,171.62 is: 80,468,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078,445.74 : 166,725,138.34 = 53,611,171.62 : x
  2. Step 2: Convert to fraction form
    111,078,445.74/166,725,138.34 = 53,611,171.62/x
  3. Step 3: Cross multiply
    111,078,445.74x = 166,725,138.34 × 53,611,171.62
  4. Step 4: Simplify right side
    111,078,445.74x = 8,938,330,004,913,982
  5. Step 5: Solve for x
    x = 8,938,330,004,913,982/111,078,445.74
  6. Step 6: Final answer
    x = 80,468,626.88

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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.