Home / 228,563,741.72-315,416,229.05-124,142,560.37

Finding the Fourth Proportional to 228,563,741.72, 315,416,229.05 and 124,142,560.37

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Solution

The fourth proportional to 228,563,741.72, 315,416,229.05 and 124,142,560.37 is: 171,315,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,563,741.72 : 315,416,229.05 = 124,142,560.37 : x
  2. Step 2: Convert to fraction form
    228,563,741.72/315,416,229.05 = 124,142,560.37/x
  3. Step 3: Cross multiply
    228,563,741.72x = 315,416,229.05 × 124,142,560.37
  4. Step 4: Simplify right side
    228,563,741.72x = 39,156,578,256,433,464
  5. Step 5: Solve for x
    x = 39,156,578,256,433,464/228,563,741.72
  6. Step 6: Final answer
    x = 171,315,791.22

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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.