Home / 117,622,359.20-176,433,538.80-112,331,568.80

Finding the Fourth Proportional to 117,622,359.20, 176,433,538.80 and 112,331,568.80

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Solution

The fourth proportional to 117,622,359.20, 176,433,538.80 and 112,331,568.80 is: 168,497,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622,359.20 : 176,433,538.80 = 112,331,568.80 : x
  2. Step 2: Convert to fraction form
    117,622,359.20/176,433,538.80 = 112,331,568.80/x
  3. Step 3: Cross multiply
    117,622,359.20x = 176,433,538.80 × 112,331,568.80
  4. Step 4: Simplify right side
    117,622,359.20x = 19,819,056,202,339,672
  5. Step 5: Solve for x
    x = 19,819,056,202,339,672/117,622,359.20
  6. Step 6: Final answer
    x = 168,497,353.20

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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.