Home / 166,728,384.44-230,009,715.82-100,627,752.86

Finding the Fourth Proportional to 166,728,384.44, 230,009,715.82 and 100,627,752.86

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Solution

The fourth proportional to 166,728,384.44, 230,009,715.82 and 100,627,752.86 is: 138,820,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,728,384.44 : 230,009,715.82 = 100,627,752.86 : x
  2. Step 2: Convert to fraction form
    166,728,384.44/230,009,715.82 = 100,627,752.86/x
  3. Step 3: Cross multiply
    166,728,384.44x = 230,009,715.82 × 100,627,752.86
  4. Step 4: Simplify right side
    166,728,384.44x = 23,145,360,838,933,792
  5. Step 5: Solve for x
    x = 23,145,360,838,933,792/166,728,384.44
  6. Step 6: Final answer
    x = 138,820,758.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.