Home / 69,571,213.60-104,356,820.40-43,705,127.20

Finding the Fourth Proportional to 69,571,213.60, 104,356,820.40 and 43,705,127.20

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Solution

The fourth proportional to 69,571,213.60, 104,356,820.40 and 43,705,127.20 is: 65,557,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571,213.60 : 104,356,820.40 = 43,705,127.20 : x
  2. Step 2: Convert to fraction form
    69,571,213.60/104,356,820.40 = 43,705,127.20/x
  3. Step 3: Cross multiply
    69,571,213.60x = 104,356,820.40 × 43,705,127.20
  4. Step 4: Simplify right side
    69,571,213.60x = 4,560,928,109,769,555
  5. Step 5: Solve for x
    x = 4,560,928,109,769,555/69,571,213.60
  6. Step 6: Final answer
    x = 65,557,690.80

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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.