Home / 281,459,800.89-422,380,437.95-115,493,310.32

Finding the Fourth Proportional to 281,459,800.89, 422,380,437.95 and 115,493,310.32

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Solution

The fourth proportional to 281,459,800.89, 422,380,437.95 and 115,493,310.32 is: 173,318,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,459,800.89 : 422,380,437.95 = 115,493,310.32 : x
  2. Step 2: Convert to fraction form
    281,459,800.89/422,380,437.95 = 115,493,310.32/x
  3. Step 3: Cross multiply
    281,459,800.89x = 422,380,437.95 × 115,493,310.32
  4. Step 4: Simplify right side
    281,459,800.89x = 48,782,114,991,433,680
  5. Step 5: Solve for x
    x = 48,782,114,991,433,680/281,459,800.89
  6. Step 6: Final answer
    x = 173,318,231.72

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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.