Home / 113,665,631.36-156,846,857.99-83,912,104.28

Finding the Fourth Proportional to 113,665,631.36, 156,846,857.99 and 83,912,104.28

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Solution

The fourth proportional to 113,665,631.36, 156,846,857.99 and 83,912,104.28 is: 115,790,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,665,631.36 : 156,846,857.99 = 83,912,104.28 : x
  2. Step 2: Convert to fraction form
    113,665,631.36/156,846,857.99 = 83,912,104.28/x
  3. Step 3: Cross multiply
    113,665,631.36x = 156,846,857.99 × 83,912,104.28
  4. Step 4: Simplify right side
    113,665,631.36x = 13,161,349,903,414,056
  5. Step 5: Solve for x
    x = 13,161,349,903,414,056/113,665,631.36
  6. Step 6: Final answer
    x = 115,790,056.73

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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.