Home / 99,870,099.72-149,805,149.58-28,066,515.72

Finding the Fourth Proportional to 99,870,099.72, 149,805,149.58 and 28,066,515.72

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Solution

The fourth proportional to 99,870,099.72, 149,805,149.58 and 28,066,515.72 is: 42,099,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,099.72 : 149,805,149.58 = 28,066,515.72 : x
  2. Step 2: Convert to fraction form
    99,870,099.72/149,805,149.58 = 28,066,515.72/x
  3. Step 3: Cross multiply
    99,870,099.72x = 149,805,149.58 × 28,066,515.72
  4. Step 4: Simplify right side
    99,870,099.72x = 4,204,508,585,401,682
  5. Step 5: Solve for x
    x = 4,204,508,585,401,682/99,870,099.72
  6. Step 6: Final answer
    x = 42,099,773.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.