Home / 85,163,491.72-117,525,503.10-48,494,062.72

Finding the Fourth Proportional to 85,163,491.72, 117,525,503.10 and 48,494,062.72

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Solution

The fourth proportional to 85,163,491.72, 117,525,503.10 and 48,494,062.72 is: 66,921,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,163,491.72 : 117,525,503.10 = 48,494,062.72 : x
  2. Step 2: Convert to fraction form
    85,163,491.72/117,525,503.10 = 48,494,062.72/x
  3. Step 3: Cross multiply
    85,163,491.72x = 117,525,503.10 × 48,494,062.72
  4. Step 4: Simplify right side
    85,163,491.72x = 5,699,289,118,530,954
  5. Step 5: Solve for x
    x = 5,699,289,118,530,954/85,163,491.72
  6. Step 6: Final answer
    x = 66,921,740.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.