Home / 51,019,752.80-76,529,629.20-31,887,876.80

Finding the Fourth Proportional to 51,019,752.80, 76,529,629.20 and 31,887,876.80

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Solution

The fourth proportional to 51,019,752.80, 76,529,629.20 and 31,887,876.80 is: 47,831,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019,752.80 : 76,529,629.20 = 31,887,876.80 : x
  2. Step 2: Convert to fraction form
    51,019,752.80/76,529,629.20 = 31,887,876.80/x
  3. Step 3: Cross multiply
    51,019,752.80x = 76,529,629.20 × 31,887,876.80
  4. Step 4: Simplify right side
    51,019,752.80x = 2,440,367,387,479,282.50
  5. Step 5: Solve for x
    x = 2,440,367,387,479,282.50/51,019,752.80
  6. Step 6: Final answer
    x = 47,831,815.20

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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.