Home / 87,342,707.56-130,945,029.37-43,601,016.74

Finding the Fourth Proportional to 87,342,707.56, 130,945,029.37 and 43,601,016.74

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Solution

The fourth proportional to 87,342,707.56, 130,945,029.37 and 43,601,016.74 is: 65,367,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342,707.56 : 130,945,029.37 = 43,601,016.74 : x
  2. Step 2: Convert to fraction form
    87,342,707.56/130,945,029.37 = 43,601,016.74/x
  3. Step 3: Cross multiply
    87,342,707.56x = 130,945,029.37 × 43,601,016.74
  4. Step 4: Simplify right side
    87,342,707.56x = 5,709,336,417,581,162
  5. Step 5: Solve for x
    x = 5,709,336,417,581,162/87,342,707.56
  6. Step 6: Final answer
    x = 65,367,064.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.