Home / 311,685,837.50-466,596,667.28-188,491,318.22

Finding the Fourth Proportional to 311,685,837.50, 466,596,667.28 and 188,491,318.22

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Solution

The fourth proportional to 311,685,837.50, 466,596,667.28 and 188,491,318.22 is: 282,173,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,685,837.50 : 466,596,667.28 = 188,491,318.22 : x
  2. Step 2: Convert to fraction form
    311,685,837.50/466,596,667.28 = 188,491,318.22/x
  3. Step 3: Cross multiply
    311,685,837.50x = 466,596,667.28 × 188,491,318.22
  4. Step 4: Simplify right side
    311,685,837.50x = 87,949,420,890,804,192
  5. Step 5: Solve for x
    x = 87,949,420,890,804,192/311,685,837.50
  6. Step 6: Final answer
    x = 282,173,298.59

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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.