Home / 138,089,092.08-190,625,092.43-91,074,056.85

Finding the Fourth Proportional to 138,089,092.08, 190,625,092.43 and 91,074,056.85

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Solution

The fourth proportional to 138,089,092.08, 190,625,092.43 and 91,074,056.85 is: 125,723,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,089,092.08 : 190,625,092.43 = 91,074,056.85 : x
  2. Step 2: Convert to fraction form
    138,089,092.08/190,625,092.43 = 91,074,056.85/x
  3. Step 3: Cross multiply
    138,089,092.08x = 190,625,092.43 × 91,074,056.85
  4. Step 4: Simplify right side
    138,089,092.08x = 17,361,000,505,006,324
  5. Step 5: Solve for x
    x = 17,361,000,505,006,324/138,089,092.08
  6. Step 6: Final answer
    x = 125,723,185.25

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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.