Home / 57,206,810.70-85,810,216.05-52,503,885.90

Finding the Fourth Proportional to 57,206,810.70, 85,810,216.05 and 52,503,885.90

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Solution

The fourth proportional to 57,206,810.70, 85,810,216.05 and 52,503,885.90 is: 78,755,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206,810.70 : 85,810,216.05 = 52,503,885.90 : x
  2. Step 2: Convert to fraction form
    57,206,810.70/85,810,216.05 = 52,503,885.90/x
  3. Step 3: Cross multiply
    57,206,810.70x = 85,810,216.05 × 52,503,885.90
  4. Step 4: Simplify right side
    57,206,810.70x = 4,505,369,792,543,548
  5. Step 5: Solve for x
    x = 4,505,369,792,543,548/57,206,810.70
  6. Step 6: Final answer
    x = 78,755,828.85

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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.