Home / 117,281,504.75-161,848,501.07-65,070,415.85

Finding the Fourth Proportional to 117,281,504.75, 161,848,501.07 and 65,070,415.85

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Solution

The fourth proportional to 117,281,504.75, 161,848,501.07 and 65,070,415.85 is: 89,797,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,281,504.75 : 161,848,501.07 = 65,070,415.85 : x
  2. Step 2: Convert to fraction form
    117,281,504.75/161,848,501.07 = 65,070,415.85/x
  3. Step 3: Cross multiply
    117,281,504.75x = 161,848,501.07 × 65,070,415.85
  4. Step 4: Simplify right side
    117,281,504.75x = 10,531,549,268,189,476
  5. Step 5: Solve for x
    x = 10,531,549,268,189,476/117,281,504.75
  6. Step 6: Final answer
    x = 89,797,187.47

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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.