Home / 169,031,479.20-253,736,175.60-130,862,205.60

Finding the Fourth Proportional to 169,031,479.20, 253,736,175.60 and 130,862,205.60

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Solution

The fourth proportional to 169,031,479.20, 253,736,175.60 and 130,862,205.60 is: 196,439,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,031,479.20 : 253,736,175.60 = 130,862,205.60 : x
  2. Step 2: Convert to fraction form
    169,031,479.20/253,736,175.60 = 130,862,205.60/x
  3. Step 3: Cross multiply
    169,031,479.20x = 253,736,175.60 × 130,862,205.60
  4. Step 4: Simplify right side
    169,031,479.20x = 33,204,475,579,524,900
  5. Step 5: Solve for x
    x = 33,204,475,579,524,900/169,031,479.20
  6. Step 6: Final answer
    x = 196,439,596.56

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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.