Home / 117,264,366.25-161,825,016.07-65,053,403.56

Finding the Fourth Proportional to 117,264,366.25, 161,825,016.07 and 65,053,403.56

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Solution

The fourth proportional to 117,264,366.25, 161,825,016.07 and 65,053,403.56 is: 89,773,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264,366.25 : 161,825,016.07 = 65,053,403.56 : x
  2. Step 2: Convert to fraction form
    117,264,366.25/161,825,016.07 = 65,053,403.56/x
  3. Step 3: Cross multiply
    117,264,366.25x = 161,825,016.07 × 65,053,403.56
  4. Step 4: Simplify right side
    117,264,366.25x = 10,527,268,076,505,196
  5. Step 5: Solve for x
    x = 10,527,268,076,505,196/117,264,366.25
  6. Step 6: Final answer
    x = 89,773,802.67

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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.