Home / 51,109,837.20-76,664,755.80-31,977,961.20

Finding the Fourth Proportional to 51,109,837.20, 76,664,755.80 and 31,977,961.20

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Solution

The fourth proportional to 51,109,837.20, 76,664,755.80 and 31,977,961.20 is: 47,966,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109,837.20 : 76,664,755.80 = 31,977,961.20 : x
  2. Step 2: Convert to fraction form
    51,109,837.20/76,664,755.80 = 31,977,961.20/x
  3. Step 3: Cross multiply
    51,109,837.20x = 76,664,755.80 × 31,977,961.20
  4. Step 4: Simplify right side
    51,109,837.20x = 2,451,582,586,379,875
  5. Step 5: Solve for x
    x = 2,451,582,586,379,875/51,109,837.20
  6. Step 6: Final answer
    x = 47,966,941.80

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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.