Home / 68,043,301.20-102,064,951.80-39,345,487.20

Finding the Fourth Proportional to 68,043,301.20, 102,064,951.80 and 39,345,487.20

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Solution

The fourth proportional to 68,043,301.20, 102,064,951.80 and 39,345,487.20 is: 59,018,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,043,301.20 : 102,064,951.80 = 39,345,487.20 : x
  2. Step 2: Convert to fraction form
    68,043,301.20/102,064,951.80 = 39,345,487.20/x
  3. Step 3: Cross multiply
    68,043,301.20x = 102,064,951.80 × 39,345,487.20
  4. Step 4: Simplify right side
    68,043,301.20x = 4,015,795,254,615,517
  5. Step 5: Solve for x
    x = 4,015,795,254,615,517/68,043,301.20
  6. Step 6: Final answer
    x = 59,018,230.80

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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.