Home / 137,246,588.81-205,876,504.36-45,128,287.43

Finding the Fourth Proportional to 137,246,588.81, 205,876,504.36 and 45,128,287.43

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Solution

The fourth proportional to 137,246,588.81, 205,876,504.36 and 45,128,287.43 is: 67,694,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,588.81 : 205,876,504.36 = 45,128,287.43 : x
  2. Step 2: Convert to fraction form
    137,246,588.81/205,876,504.36 = 45,128,287.43/x
  3. Step 3: Cross multiply
    137,246,588.81x = 205,876,504.36 × 45,128,287.43
  4. Step 4: Simplify right side
    137,246,588.81x = 9,290,854,063,841,728
  5. Step 5: Solve for x
    x = 9,290,854,063,841,728/137,246,588.81
  6. Step 6: Final answer
    x = 67,694,608.26

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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.