Home / 252,318,899.16-378,475,824.78-79,795,742.04

Finding the Fourth Proportional to 252,318,899.16, 378,475,824.78 and 79,795,742.04

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Solution

The fourth proportional to 252,318,899.16, 378,475,824.78 and 79,795,742.04 is: 119,692,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,318,899.16 : 378,475,824.78 = 79,795,742.04 : x
  2. Step 2: Convert to fraction form
    252,318,899.16/378,475,824.78 = 79,795,742.04/x
  3. Step 3: Cross multiply
    252,318,899.16x = 378,475,824.78 × 79,795,742.04
  4. Step 4: Simplify right side
    252,318,899.16x = 30,200,759,282,521,120
  5. Step 5: Solve for x
    x = 30,200,759,282,521,120/252,318,899.16
  6. Step 6: Final answer
    x = 119,692,814.86

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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.