Home / 107,839,108.20-161,758,662.30-88,691,485.80

Finding the Fourth Proportional to 107,839,108.20, 161,758,662.30 and 88,691,485.80

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Solution

The fourth proportional to 107,839,108.20, 161,758,662.30 and 88,691,485.80 is: 133,037,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,108.20 : 161,758,662.30 = 88,691,485.80 : x
  2. Step 2: Convert to fraction form
    107,839,108.20/161,758,662.30 = 88,691,485.80/x
  3. Step 3: Cross multiply
    107,839,108.20x = 161,758,662.30 × 88,691,485.80
  4. Step 4: Simplify right side
    107,839,108.20x = 14,346,616,100,407,446
  5. Step 5: Solve for x
    x = 14,346,616,100,407,446/107,839,108.20
  6. Step 6: Final answer
    x = 133,037,228.70

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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.