Home / 328,974,667.05-493,458,194.61-79,981,337.19

Finding the Fourth Proportional to 328,974,667.05, 493,458,194.61 and 79,981,337.19

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Solution

The fourth proportional to 328,974,667.05, 493,458,194.61 and 79,981,337.19 is: 119,971,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,974,667.05 : 493,458,194.61 = 79,981,337.19 : x
  2. Step 2: Convert to fraction form
    328,974,667.05/493,458,194.61 = 79,981,337.19/x
  3. Step 3: Cross multiply
    328,974,667.05x = 493,458,194.61 × 79,981,337.19
  4. Step 4: Simplify right side
    328,974,667.05x = 39,467,446,252,271,048
  5. Step 5: Solve for x
    x = 39,467,446,252,271,048/328,974,667.05
  6. Step 6: Final answer
    x = 119,971,080.47

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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.