Home / 94,713,856.91-130,633,100.41-81,505,296.80

Finding the Fourth Proportional to 94,713,856.91, 130,633,100.41 and 81,505,296.80

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Solution

The fourth proportional to 94,713,856.91, 130,633,100.41 and 81,505,296.80 is: 112,415,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,713,856.91 : 130,633,100.41 = 81,505,296.80 : x
  2. Step 2: Convert to fraction form
    94,713,856.91/130,633,100.41 = 81,505,296.80/x
  3. Step 3: Cross multiply
    94,713,856.91x = 130,633,100.41 × 81,505,296.80
  4. Step 4: Simplify right side
    94,713,856.91x = 10,647,289,619,760,560
  5. Step 5: Solve for x
    x = 10,647,289,619,760,560/94,713,856.91
  6. Step 6: Final answer
    x = 112,415,331.48

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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.