Home / 127,769,066.20-191,653,599.30-91,489,360.60

Finding the Fourth Proportional to 127,769,066.20, 191,653,599.30 and 91,489,360.60

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Solution

The fourth proportional to 127,769,066.20, 191,653,599.30 and 91,489,360.60 is: 137,234,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769,066.20 : 191,653,599.30 = 91,489,360.60 : x
  2. Step 2: Convert to fraction form
    127,769,066.20/191,653,599.30 = 91,489,360.60/x
  3. Step 3: Cross multiply
    127,769,066.20x = 191,653,599.30 × 91,489,360.60
  4. Step 4: Simplify right side
    127,769,066.20x = 17,534,265,256,645,608
  5. Step 5: Solve for x
    x = 17,534,265,256,645,608/127,769,066.20
  6. Step 6: Final answer
    x = 137,234,040.90

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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.