Home / 130,691,080.80-196,036,621.20-54,163,576.80

Finding the Fourth Proportional to 130,691,080.80, 196,036,621.20 and 54,163,576.80

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Solution

The fourth proportional to 130,691,080.80, 196,036,621.20 and 54,163,576.80 is: 81,245,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,691,080.80 : 196,036,621.20 = 54,163,576.80 : x
  2. Step 2: Convert to fraction form
    130,691,080.80/196,036,621.20 = 54,163,576.80/x
  3. Step 3: Cross multiply
    130,691,080.80x = 196,036,621.20 × 54,163,576.80
  4. Step 4: Simplify right side
    130,691,080.80x = 10,618,044,587,978,706
  5. Step 5: Solve for x
    x = 10,618,044,587,978,706/130,691,080.80
  6. Step 6: Final answer
    x = 81,245,365.20

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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.