Home / 149,883,661.64-206,776,116.83-100,339,996.39

Finding the Fourth Proportional to 149,883,661.64, 206,776,116.83 and 100,339,996.39

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Solution

The fourth proportional to 149,883,661.64, 206,776,116.83 and 100,339,996.39 is: 138,426,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,883,661.64 : 206,776,116.83 = 100,339,996.39 : x
  2. Step 2: Convert to fraction form
    149,883,661.64/206,776,116.83 = 100,339,996.39/x
  3. Step 3: Cross multiply
    149,883,661.64x = 206,776,116.83 × 100,339,996.39
  4. Step 4: Simplify right side
    149,883,661.64x = 20,747,914,815,994,328
  5. Step 5: Solve for x
    x = 20,747,914,815,994,328/149,883,661.64
  6. Step 6: Final answer
    x = 138,426,794.41

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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.