Home / 167,117,890.80-250,464,259.80-80,670,154.80

Finding the Fourth Proportional to 167,117,890.80, 250,464,259.80 and 80,670,154.80

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Solution

The fourth proportional to 167,117,890.80, 250,464,259.80 and 80,670,154.80 is: 120,902,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,117,890.80 : 250,464,259.80 = 80,670,154.80 : x
  2. Step 2: Convert to fraction form
    167,117,890.80/250,464,259.80 = 80,670,154.80/x
  3. Step 3: Cross multiply
    167,117,890.80x = 250,464,259.80 × 80,670,154.80
  4. Step 4: Simplify right side
    167,117,890.80x = 20,204,990,609,933,416
  5. Step 5: Solve for x
    x = 20,204,990,609,933,416/167,117,890.80
  6. Step 6: Final answer
    x = 120,902,618.58

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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.