Home / 56,795,081.49-85,192,621.83-13,664,284.38

Finding the Fourth Proportional to 56,795,081.49, 85,192,621.83 and 13,664,284.38

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Solution

The fourth proportional to 56,795,081.49, 85,192,621.83 and 13,664,284.38 is: 20,496,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795,081.49 : 85,192,621.83 = 13,664,284.38 : x
  2. Step 2: Convert to fraction form
    56,795,081.49/85,192,621.83 = 13,664,284.38/x
  3. Step 3: Cross multiply
    56,795,081.49x = 85,192,621.83 × 13,664,284.38
  4. Step 4: Simplify right side
    56,795,081.49x = 1,164,096,211,762,916
  5. Step 5: Solve for x
    x = 1,164,096,211,762,916/56,795,081.49
  6. Step 6: Final answer
    x = 20,496,426.47

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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.