Home / 191,978,314.92-287,829,921.02-81,321,441.48

Finding the Fourth Proportional to 191,978,314.92, 287,829,921.02 and 81,321,441.48

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Solution

The fourth proportional to 191,978,314.92, 287,829,921.02 and 81,321,441.48 is: 121,923,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,978,314.92 : 287,829,921.02 = 81,321,441.48 : x
  2. Step 2: Convert to fraction form
    191,978,314.92/287,829,921.02 = 81,321,441.48/x
  3. Step 3: Cross multiply
    191,978,314.92x = 287,829,921.02 × 81,321,441.48
  4. Step 4: Simplify right side
    191,978,314.92x = 23,406,744,078,014,344
  5. Step 5: Solve for x
    x = 23,406,744,078,014,344/191,978,314.92
  6. Step 6: Final answer
    x = 121,923,895.87

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Why These Related Problems?

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