Home / 68,112,004.80-102,168,007.20-32,280,196.80

Finding the Fourth Proportional to 68,112,004.80, 102,168,007.20 and 32,280,196.80

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Solution

The fourth proportional to 68,112,004.80, 102,168,007.20 and 32,280,196.80 is: 48,420,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112,004.80 : 102,168,007.20 = 32,280,196.80 : x
  2. Step 2: Convert to fraction form
    68,112,004.80/102,168,007.20 = 32,280,196.80/x
  3. Step 3: Cross multiply
    68,112,004.80x = 102,168,007.20 × 32,280,196.80
  4. Step 4: Simplify right side
    68,112,004.80x = 3,298,003,379,079,817
  5. Step 5: Solve for x
    x = 3,298,003,379,079,817/68,112,004.80
  6. Step 6: Final answer
    x = 48,420,295.20

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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.