Home / 318,714,131.27-439,827,245.90-184,831,426.80

Finding the Fourth Proportional to 318,714,131.27, 439,827,245.90 and 184,831,426.80

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Solution

The fourth proportional to 318,714,131.27, 439,827,245.90 and 184,831,426.80 is: 255,068,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,714,131.27 : 439,827,245.90 = 184,831,426.80 : x
  2. Step 2: Convert to fraction form
    318,714,131.27/439,827,245.90 = 184,831,426.80/x
  3. Step 3: Cross multiply
    318,714,131.27x = 439,827,245.90 × 184,831,426.80
  4. Step 4: Simplify right side
    318,714,131.27x = 81,293,897,405,211,456
  5. Step 5: Solve for x
    x = 81,293,897,405,211,456/318,714,131.27
  6. Step 6: Final answer
    x = 255,068,380.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.