Home / 116,728,409.44-161,085,837.90-63,805,188.04

Finding the Fourth Proportional to 116,728,409.44, 161,085,837.90 and 63,805,188.04

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Solution

The fourth proportional to 116,728,409.44, 161,085,837.90 and 63,805,188.04 is: 88,051,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,728,409.44 : 161,085,837.90 = 63,805,188.04 : x
  2. Step 2: Convert to fraction form
    116,728,409.44/161,085,837.90 = 63,805,188.04/x
  3. Step 3: Cross multiply
    116,728,409.44x = 161,085,837.90 × 63,805,188.04
  4. Step 4: Simplify right side
    116,728,409.44x = 10,278,112,177,790,458
  5. Step 5: Solve for x
    x = 10,278,112,177,790,458/116,728,409.44
  6. Step 6: Final answer
    x = 88,051,505.43

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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.