Home / 68,831,333.20-103,246,999.80-30,452,107.60

Finding the Fourth Proportional to 68,831,333.20, 103,246,999.80 and 30,452,107.60

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Solution

The fourth proportional to 68,831,333.20, 103,246,999.80 and 30,452,107.60 is: 45,678,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831,333.20 : 103,246,999.80 = 30,452,107.60 : x
  2. Step 2: Convert to fraction form
    68,831,333.20/103,246,999.80 = 30,452,107.60/x
  3. Step 3: Cross multiply
    68,831,333.20x = 103,246,999.80 × 30,452,107.60
  4. Step 4: Simplify right side
    68,831,333.20x = 3,144,088,747,286,778.50
  5. Step 5: Solve for x
    x = 3,144,088,747,286,778.50/68,831,333.20
  6. Step 6: Final answer
    x = 45,678,161.40

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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.