Home / 218,500,999.38-301,527,860.18-119,379,618.42

Finding the Fourth Proportional to 218,500,999.38, 301,527,860.18 and 119,379,618.42

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Solution

The fourth proportional to 218,500,999.38, 301,527,860.18 and 119,379,618.42 is: 164,741,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,500,999.38 : 301,527,860.18 = 119,379,618.42 : x
  2. Step 2: Convert to fraction form
    218,500,999.38/301,527,860.18 = 119,379,618.42/x
  3. Step 3: Cross multiply
    218,500,999.38x = 301,527,860.18 × 119,379,618.42
  4. Step 4: Simplify right side
    218,500,999.38x = 35,996,280,891,287,512
  5. Step 5: Solve for x
    x = 35,996,280,891,287,512/218,500,999.38
  6. Step 6: Final answer
    x = 164,741,950.81

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1.5x scale

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.