Home / 50,188,037.10-75,285,653.94-21,012,516.69

Finding the Fourth Proportional to 50,188,037.10, 75,285,653.94 and 21,012,516.69

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Solution

The fourth proportional to 50,188,037.10, 75,285,653.94 and 21,012,516.69 is: 31,520,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,037.10 : 75,285,653.94 = 21,012,516.69 : x
  2. Step 2: Convert to fraction form
    50,188,037.10/75,285,653.94 = 21,012,516.69/x
  3. Step 3: Cross multiply
    50,188,037.10x = 75,285,653.94 × 21,012,516.69
  4. Step 4: Simplify right side
    50,188,037.10x = 1,581,941,059,931,814.25
  5. Step 5: Solve for x
    x = 1,581,941,059,931,814.25/50,188,037.10
  6. Step 6: Final answer
    x = 31,520,281.55

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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.