Home / 248,961,164.22-343,559,557.51-137,449,978.68

Finding the Fourth Proportional to 248,961,164.22, 343,559,557.51 and 137,449,978.68

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Solution

The fourth proportional to 248,961,164.22, 343,559,557.51 and 137,449,978.68 is: 189,677,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,961,164.22 : 343,559,557.51 = 137,449,978.68 : x
  2. Step 2: Convert to fraction form
    248,961,164.22/343,559,557.51 = 137,449,978.68/x
  3. Step 3: Cross multiply
    248,961,164.22x = 343,559,557.51 × 137,449,978.68
  4. Step 4: Simplify right side
    248,961,164.22x = 47,222,253,854,357,400
  5. Step 5: Solve for x
    x = 47,222,253,854,357,400/248,961,164.22
  6. Step 6: Final answer
    x = 189,677,189.22

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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.