Home / 117,385,272.36-161,996,735.22-65,174,310.60

Finding the Fourth Proportional to 117,385,272.36, 161,996,735.22 and 65,174,310.60

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Solution

The fourth proportional to 117,385,272.36, 161,996,735.22 and 65,174,310.60 is: 89,943,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,385,272.36 : 161,996,735.22 = 65,174,310.60 : x
  2. Step 2: Convert to fraction form
    117,385,272.36/161,996,735.22 = 65,174,310.60/x
  3. Step 3: Cross multiply
    117,385,272.36x = 161,996,735.22 × 65,174,310.60
  4. Step 4: Simplify right side
    117,385,272.36x = 10,558,025,537,414,240
  5. Step 5: Solve for x
    x = 10,558,025,537,414,240/117,385,272.36
  6. Step 6: Final answer
    x = 89,943,357.67

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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.