Home / 254,990,149.20-382,485,223.80-82,484,400.60

Finding the Fourth Proportional to 254,990,149.20, 382,485,223.80 and 82,484,400.60

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Solution

The fourth proportional to 254,990,149.20, 382,485,223.80 and 82,484,400.60 is: 123,726,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,990,149.20 : 382,485,223.80 = 82,484,400.60 : x
  2. Step 2: Convert to fraction form
    254,990,149.20/382,485,223.80 = 82,484,400.60/x
  3. Step 3: Cross multiply
    254,990,149.20x = 382,485,223.80 × 82,484,400.60
  4. Step 4: Simplify right side
    254,990,149.20x = 31,549,064,423,499,852
  5. Step 5: Solve for x
    x = 31,549,064,423,499,852/254,990,149.20
  6. Step 6: Final answer
    x = 123,726,600.90

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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.