Home / 57,118,408.20-78,824,773.32-31,014,026.28

Finding the Fourth Proportional to 57,118,408.20, 78,824,773.32 and 31,014,026.28

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Solution

The fourth proportional to 57,118,408.20, 78,824,773.32 and 31,014,026.28 is: 42,800,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118,408.20 : 78,824,773.32 = 31,014,026.28 : x
  2. Step 2: Convert to fraction form
    57,118,408.20/78,824,773.32 = 31,014,026.28/x
  3. Step 3: Cross multiply
    57,118,408.20x = 78,824,773.32 × 31,014,026.28
  4. Step 4: Simplify right side
    57,118,408.20x = 2,444,673,591,261,522.50
  5. Step 5: Solve for x
    x = 2,444,673,591,261,522.50/57,118,408.20
  6. Step 6: Final answer
    x = 42,800,100.15

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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.