Home / 284,870,318.87-427,297,506.66-90,793,380.08

Finding the Fourth Proportional to 284,870,318.87, 427,297,506.66 and 90,793,380.08

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Solution

The fourth proportional to 284,870,318.87, 427,297,506.66 and 90,793,380.08 is: 136,187,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,870,318.87 : 427,297,506.66 = 90,793,380.08 : x
  2. Step 2: Convert to fraction form
    284,870,318.87/427,297,506.66 = 90,793,380.08/x
  3. Step 3: Cross multiply
    284,870,318.87x = 427,297,506.66 × 90,793,380.08
  4. Step 4: Simplify right side
    284,870,318.87x = 38,795,784,930,485,952
  5. Step 5: Solve for x
    x = 38,795,784,930,485,952/284,870,318.87
  6. Step 6: Final answer
    x = 136,187,529.41

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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.