Home / 100,601,996.40-150,902,994.60-73,179,640.80

Finding the Fourth Proportional to 100,601,996.40, 150,902,994.60 and 73,179,640.80

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Solution

The fourth proportional to 100,601,996.40, 150,902,994.60 and 73,179,640.80 is: 109,769,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,601,996.40 : 150,902,994.60 = 73,179,640.80 : x
  2. Step 2: Convert to fraction form
    100,601,996.40/150,902,994.60 = 73,179,640.80/x
  3. Step 3: Cross multiply
    100,601,996.40x = 150,902,994.60 × 73,179,640.80
  4. Step 4: Simplify right side
    100,601,996.40x = 11,043,026,940,472,338
  5. Step 5: Solve for x
    x = 11,043,026,940,472,338/100,601,996.40
  6. Step 6: Final answer
    x = 109,769,461.20

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1.5x scale

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.