Home / 408,983,410.80-613,475,116.20-132,634,090.80

Finding the Fourth Proportional to 408,983,410.80, 613,475,116.20 and 132,634,090.80

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Solution

The fourth proportional to 408,983,410.80, 613,475,116.20 and 132,634,090.80 is: 198,951,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,983,410.80 : 613,475,116.20 = 132,634,090.80 : x
  2. Step 2: Convert to fraction form
    408,983,410.80/613,475,116.20 = 132,634,090.80/x
  3. Step 3: Cross multiply
    408,983,410.80x = 613,475,116.20 × 132,634,090.80
  4. Step 4: Simplify right side
    408,983,410.80x = 81,367,714,265,611,360
  5. Step 5: Solve for x
    x = 81,367,714,265,611,360/408,983,410.80
  6. Step 6: Final answer
    x = 198,951,136.20

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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.