Home / 58,517,497.80-87,780,453.84-20,178,458.64

Finding the Fourth Proportional to 58,517,497.80, 87,780,453.84 and 20,178,458.64

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Solution

The fourth proportional to 58,517,497.80, 87,780,453.84 and 20,178,458.64 is: 30,269,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,517,497.80 : 87,780,453.84 = 20,178,458.64 : x
  2. Step 2: Convert to fraction form
    58,517,497.80/87,780,453.84 = 20,178,458.64/x
  3. Step 3: Cross multiply
    58,517,497.80x = 87,780,453.84 × 20,178,458.64
  4. Step 4: Simplify right side
    58,517,497.80x = 1,771,274,257,210,869.25
  5. Step 5: Solve for x
    x = 1,771,274,257,210,869.25/58,517,497.80
  6. Step 6: Final answer
    x = 30,269,138.70

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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.