Home / 66,691,431.76-92,032,199.18-36,923,406.54

Finding the Fourth Proportional to 66,691,431.76, 92,032,199.18 and 36,923,406.54

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Solution

The fourth proportional to 66,691,431.76, 92,032,199.18 and 36,923,406.54 is: 50,953,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691,431.76 : 92,032,199.18 = 36,923,406.54 : x
  2. Step 2: Convert to fraction form
    66,691,431.76/92,032,199.18 = 36,923,406.54/x
  3. Step 3: Cross multiply
    66,691,431.76x = 92,032,199.18 × 36,923,406.54
  4. Step 4: Simplify right side
    66,691,431.76x = 3,398,142,305,093,395
  5. Step 5: Solve for x
    x = 3,398,142,305,093,395/66,691,431.76
  6. Step 6: Final answer
    x = 50,953,206.66

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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.