Home / 149,770,853.35-206,679,928.21-83,691,894.49

Finding the Fourth Proportional to 149,770,853.35, 206,679,928.21 and 83,691,894.49

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Solution

The fourth proportional to 149,770,853.35, 206,679,928.21 and 83,691,894.49 is: 115,492,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,770,853.35 : 206,679,928.21 = 83,691,894.49 : x
  2. Step 2: Convert to fraction form
    149,770,853.35/206,679,928.21 = 83,691,894.49/x
  3. Step 3: Cross multiply
    149,770,853.35x = 206,679,928.21 × 83,691,894.49
  4. Step 4: Simplify right side
    149,770,853.35x = 17,297,434,744,226,166
  5. Step 5: Solve for x
    x = 17,297,434,744,226,166/149,770,853.35
  6. Step 6: Final answer
    x = 115,492,663.34

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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.