Home / 51,318,179.10-70,819,083.27-30,691,624.68

Finding the Fourth Proportional to 51,318,179.10, 70,819,083.27 and 30,691,624.68

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Solution

The fourth proportional to 51,318,179.10, 70,819,083.27 and 30,691,624.68 is: 42,354,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318,179.10 : 70,819,083.27 = 30,691,624.68 : x
  2. Step 2: Convert to fraction form
    51,318,179.10/70,819,083.27 = 30,691,624.68/x
  3. Step 3: Cross multiply
    51,318,179.10x = 70,819,083.27 × 30,691,624.68
  4. Step 4: Simplify right side
    51,318,179.10x = 2,173,552,723,904,507
  5. Step 5: Solve for x
    x = 2,173,552,723,904,507/51,318,179.10
  6. Step 6: Final answer
    x = 42,354,439.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.