Home / 144,926,047.44-199,999,531.32-78,846,921.36

Finding the Fourth Proportional to 144,926,047.44, 199,999,531.32 and 78,846,921.36

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Solution

The fourth proportional to 144,926,047.44, 199,999,531.32 and 78,846,921.36 is: 108,809,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,926,047.44 : 199,999,531.32 = 78,846,921.36 : x
  2. Step 2: Convert to fraction form
    144,926,047.44/199,999,531.32 = 78,846,921.36/x
  3. Step 3: Cross multiply
    144,926,047.44x = 199,999,531.32 × 78,846,921.36
  4. Step 4: Simplify right side
    144,926,047.44x = 15,769,347,318,024,896
  5. Step 5: Solve for x
    x = 15,769,347,318,024,896/144,926,047.44
  6. Step 6: Final answer
    x = 108,809,614.26

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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.