Home / 81,694,177.67-122,541,191.63-25,607,504.67

Finding the Fourth Proportional to 81,694,177.67, 122,541,191.63 and 25,607,504.67

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Solution

The fourth proportional to 81,694,177.67, 122,541,191.63 and 25,607,504.67 is: 38,411,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,694,177.67 : 122,541,191.63 = 25,607,504.67 : x
  2. Step 2: Convert to fraction form
    81,694,177.67/122,541,191.63 = 25,607,504.67/x
  3. Step 3: Cross multiply
    81,694,177.67x = 122,541,191.63 × 25,607,504.67
  4. Step 4: Simplify right side
    81,694,177.67x = 3,137,974,136,505,070
  5. Step 5: Solve for x
    x = 3,137,974,136,505,070/81,694,177.67
  6. Step 6: Final answer
    x = 38,411,233.53

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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.