Home / 91,887,659.52-126,805,820.56-50,636,028.16

Finding the Fourth Proportional to 91,887,659.52, 126,805,820.56 and 50,636,028.16

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Solution

The fourth proportional to 91,887,659.52, 126,805,820.56 and 50,636,028.16 is: 69,878,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887,659.52 : 126,805,820.56 = 50,636,028.16 : x
  2. Step 2: Convert to fraction form
    91,887,659.52/126,805,820.56 = 50,636,028.16/x
  3. Step 3: Cross multiply
    91,887,659.52x = 126,805,820.56 × 50,636,028.16
  4. Step 4: Simplify right side
    91,887,659.52x = 6,420,943,100,728,067
  5. Step 5: Solve for x
    x = 6,420,943,100,728,067/91,887,659.52
  6. Step 6: Final answer
    x = 69,878,187.50

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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.