Home / 99,491,786.12-137,297,269.22-55,440,641.63

Finding the Fourth Proportional to 99,491,786.12, 137,297,269.22 and 55,440,641.63

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Solution

The fourth proportional to 99,491,786.12, 137,297,269.22 and 55,440,641.63 is: 76,507,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,491,786.12 : 137,297,269.22 = 55,440,641.63 : x
  2. Step 2: Convert to fraction form
    99,491,786.12/137,297,269.22 = 55,440,641.63/x
  3. Step 3: Cross multiply
    99,491,786.12x = 137,297,269.22 × 55,440,641.63
  4. Step 4: Simplify right side
    99,491,786.12x = 7,611,848,699,669,690
  5. Step 5: Solve for x
    x = 7,611,848,699,669,690/99,491,786.12
  6. Step 6: Final answer
    x = 76,507,307.75

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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.