Home / 117,100,351.89-161,599,434.93-64,890,259.44

Finding the Fourth Proportional to 117,100,351.89, 161,599,434.93 and 64,890,259.44

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Solution

The fourth proportional to 117,100,351.89, 161,599,434.93 and 64,890,259.44 is: 89,549,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100,351.89 : 161,599,434.93 = 64,890,259.44 : x
  2. Step 2: Convert to fraction form
    117,100,351.89/161,599,434.93 = 64,890,259.44/x
  3. Step 3: Cross multiply
    117,100,351.89x = 161,599,434.93 × 64,890,259.44
  4. Step 4: Simplify right side
    117,100,351.89x = 10,486,229,257,965,098
  5. Step 5: Solve for x
    x = 10,486,229,257,965,098/117,100,351.89
  6. Step 6: Final answer
    x = 89,549,084.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.