Home / 126,322,999.74-174,316,010.31-71,324,284.86

Finding the Fourth Proportional to 126,322,999.74, 174,316,010.31 and 71,324,284.86

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Solution

The fourth proportional to 126,322,999.74, 174,316,010.31 and 71,324,284.86 is: 98,422,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,322,999.74 : 174,316,010.31 = 71,324,284.86 : x
  2. Step 2: Convert to fraction form
    126,322,999.74/174,316,010.31 = 71,324,284.86/x
  3. Step 3: Cross multiply
    126,322,999.74x = 174,316,010.31 × 71,324,284.86
  4. Step 4: Simplify right side
    126,322,999.74x = 12,432,964,775,009,136
  5. Step 5: Solve for x
    x = 12,432,964,775,009,136/126,322,999.74
  6. Step 6: Final answer
    x = 98,422,019.75

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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.