Home / 94,713,856.40-130,633,099.72-81,505,296.29

Finding the Fourth Proportional to 94,713,856.40, 130,633,099.72 and 81,505,296.29

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Solution

The fourth proportional to 94,713,856.40, 130,633,099.72 and 81,505,296.29 is: 112,415,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,713,856.40 : 130,633,099.72 = 81,505,296.29 : x
  2. Step 2: Convert to fraction form
    94,713,856.40/130,633,099.72 = 81,505,296.29/x
  3. Step 3: Cross multiply
    94,713,856.40x = 130,633,099.72 × 81,505,296.29
  4. Step 4: Simplify right side
    94,713,856.40x = 10,647,289,498,082,536
  5. Step 5: Solve for x
    x = 10,647,289,498,082,536/94,713,856.40
  6. Step 6: Final answer
    x = 112,415,330.79

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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.