Home / 138,680,896.26-208,035,110.13-51,265,322.52

Finding the Fourth Proportional to 138,680,896.26, 208,035,110.13 and 51,265,322.52

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Solution

The fourth proportional to 138,680,896.26, 208,035,110.13 and 51,265,322.52 is: 76,903,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,680,896.26 : 208,035,110.13 = 51,265,322.52 : x
  2. Step 2: Convert to fraction form
    138,680,896.26/208,035,110.13 = 51,265,322.52/x
  3. Step 3: Cross multiply
    138,680,896.26x = 208,035,110.13 × 51,265,322.52
  4. Step 4: Simplify right side
    138,680,896.26x = 10,664,987,016,298,170
  5. Step 5: Solve for x
    x = 10,664,987,016,298,170/138,680,896.26
  6. Step 6: Final answer
    x = 76,903,072.48

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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.