Home / 86,967,833.20-130,467,496.20-43,728,218.80

Finding the Fourth Proportional to 86,967,833.20, 130,467,496.20 and 43,728,218.80

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Solution

The fourth proportional to 86,967,833.20, 130,467,496.20 and 43,728,218.80 is: 65,600,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,967,833.20 : 130,467,496.20 = 43,728,218.80 : x
  2. Step 2: Convert to fraction form
    86,967,833.20/130,467,496.20 = 43,728,218.80/x
  3. Step 3: Cross multiply
    86,967,833.20x = 130,467,496.20 × 43,728,218.80
  4. Step 4: Simplify right side
    86,967,833.20x = 5,705,111,220,121,768
  5. Step 5: Solve for x
    x = 5,705,111,220,121,768/86,967,833.20
  6. Step 6: Final answer
    x = 65,600,245.63

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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.