Home / 68,831,332.20-103,246,998.30-30,452,106.60

Finding the Fourth Proportional to 68,831,332.20, 103,246,998.30 and 30,452,106.60

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Solution

The fourth proportional to 68,831,332.20, 103,246,998.30 and 30,452,106.60 is: 45,678,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831,332.20 : 103,246,998.30 = 30,452,106.60 : x
  2. Step 2: Convert to fraction form
    68,831,332.20/103,246,998.30 = 30,452,106.60/x
  3. Step 3: Cross multiply
    68,831,332.20x = 103,246,998.30 × 30,452,106.60
  4. Step 4: Simplify right side
    68,831,332.20x = 3,144,088,598,361,619
  5. Step 5: Solve for x
    x = 3,144,088,598,361,619/68,831,332.20
  6. Step 6: Final answer
    x = 45,678,159.90

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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.