Home / 117,117,785.52-161,622,548.64-64,914,668.64

Finding the Fourth Proportional to 117,117,785.52, 161,622,548.64 and 64,914,668.64

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Solution

The fourth proportional to 117,117,785.52, 161,622,548.64 and 64,914,668.64 is: 89,582,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,117,785.52 : 161,622,548.64 = 64,914,668.64 : x
  2. Step 2: Convert to fraction form
    117,117,785.52/161,622,548.64 = 64,914,668.64/x
  3. Step 3: Cross multiply
    117,117,785.52x = 161,622,548.64 × 64,914,668.64
  4. Step 4: Simplify right side
    117,117,785.52x = 10,491,674,189,717,882
  5. Step 5: Solve for x
    x = 10,491,674,189,717,882/117,117,785.52
  6. Step 6: Final answer
    x = 89,582,245.29

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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.