Home / 51,979,408.31-71,732,150.34-28,774,922.78

Finding the Fourth Proportional to 51,979,408.31, 71,732,150.34 and 28,774,922.78

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Solution

The fourth proportional to 51,979,408.31, 71,732,150.34 and 28,774,922.78 is: 39,709,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,408.31 : 71,732,150.34 = 28,774,922.78 : x
  2. Step 2: Convert to fraction form
    51,979,408.31/71,732,150.34 = 28,774,922.78/x
  3. Step 3: Cross multiply
    51,979,408.31x = 71,732,150.34 × 28,774,922.78
  4. Step 4: Simplify right side
    51,979,408.31x = 2,064,087,086,921,683.50
  5. Step 5: Solve for x
    x = 2,064,087,086,921,683.50/51,979,408.31
  6. Step 6: Final answer
    x = 39,709,707.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.