Home / 79,322,207.66-109,388,573.17-51,035,710.31

Finding the Fourth Proportional to 79,322,207.66, 109,388,573.17 and 51,035,710.31

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Solution

The fourth proportional to 79,322,207.66, 109,388,573.17 and 51,035,710.31 is: 70,380,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,322,207.66 : 109,388,573.17 = 51,035,710.31 : x
  2. Step 2: Convert to fraction form
    79,322,207.66/109,388,573.17 = 51,035,710.31/x
  3. Step 3: Cross multiply
    79,322,207.66x = 109,388,573.17 × 51,035,710.31
  4. Step 4: Simplify right side
    79,322,207.66x = 5,582,723,530,853,826
  5. Step 5: Solve for x
    x = 5,582,723,530,853,826/79,322,207.66
  6. Step 6: Final answer
    x = 70,380,334.79

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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.