Home / 119,115,100.99-164,383,781.28-66,191,611.03

Finding the Fourth Proportional to 119,115,100.99, 164,383,781.28 and 66,191,611.03

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Solution

The fourth proportional to 119,115,100.99, 164,383,781.28 and 66,191,611.03 is: 91,347,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115,100.99 : 164,383,781.28 = 66,191,611.03 : x
  2. Step 2: Convert to fraction form
    119,115,100.99/164,383,781.28 = 66,191,611.03/x
  3. Step 3: Cross multiply
    119,115,100.99x = 164,383,781.28 × 66,191,611.03
  4. Step 4: Simplify right side
    119,115,100.99x = 10,880,827,310,126,356
  5. Step 5: Solve for x
    x = 10,880,827,310,126,356/119,115,100.99
  6. Step 6: Final answer
    x = 91,347,169.42

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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.