Home / 53,431,520.87-73,735,640.75-28,985,234.87

Finding the Fourth Proportional to 53,431,520.87, 73,735,640.75 and 28,985,234.87

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Solution

The fourth proportional to 53,431,520.87, 73,735,640.75 and 28,985,234.87 is: 39,999,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431,520.87 : 73,735,640.75 = 28,985,234.87 : x
  2. Step 2: Convert to fraction form
    53,431,520.87/73,735,640.75 = 28,985,234.87/x
  3. Step 3: Cross multiply
    53,431,520.87x = 73,735,640.75 × 28,985,234.87
  4. Step 4: Simplify right side
    53,431,520.87x = 2,137,244,865,132,477.75
  5. Step 5: Solve for x
    x = 2,137,244,865,132,477.75/53,431,520.87
  6. Step 6: Final answer
    x = 39,999,701.12

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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.