Home / 51,523,999.15-77,324,312.41-20,818,845.49

Finding the Fourth Proportional to 51,523,999.15, 77,324,312.41 and 20,818,845.49

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Solution

The fourth proportional to 51,523,999.15, 77,324,312.41 and 20,818,845.49 is: 31,243,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,523,999.15 : 77,324,312.41 = 20,818,845.49 : x
  2. Step 2: Convert to fraction form
    51,523,999.15/77,324,312.41 = 20,818,845.49/x
  3. Step 3: Cross multiply
    51,523,999.15x = 77,324,312.41 × 20,818,845.49
  4. Step 4: Simplify right side
    51,523,999.15x = 1,609,802,912,728,887.75
  5. Step 5: Solve for x
    x = 1,609,802,912,728,887.75/51,523,999.15
  6. Step 6: Final answer
    x = 31,243,749.31

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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.