Home / 318,714,132.78-439,827,247.98-184,831,428.31

Finding the Fourth Proportional to 318,714,132.78, 439,827,247.98 and 184,831,428.31

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Solution

The fourth proportional to 318,714,132.78, 439,827,247.98 and 184,831,428.31 is: 255,068,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,714,132.78 : 439,827,247.98 = 184,831,428.31 : x
  2. Step 2: Convert to fraction form
    318,714,132.78/439,827,247.98 = 184,831,428.31/x
  3. Step 3: Cross multiply
    318,714,132.78x = 439,827,247.98 × 184,831,428.31
  4. Step 4: Simplify right side
    318,714,132.78x = 81,293,898,453,799,968
  5. Step 5: Solve for x
    x = 81,293,898,453,799,968/318,714,132.78
  6. Step 6: Final answer
    x = 255,068,382.89

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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.