Home / 218,958,548.99-302,150,503.60-119,839,094.42

Finding the Fourth Proportional to 218,958,548.99, 302,150,503.60 and 119,839,094.42

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Solution

The fourth proportional to 218,958,548.99, 302,150,503.60 and 119,839,094.42 is: 165,371,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,958,548.99 : 302,150,503.60 = 119,839,094.42 : x
  2. Step 2: Convert to fraction form
    218,958,548.99/302,150,503.60 = 119,839,094.42/x
  3. Step 3: Cross multiply
    218,958,548.99x = 302,150,503.60 × 119,839,094.42
  4. Step 4: Simplify right side
    218,958,548.99x = 36,209,442,728,160,608
  5. Step 5: Solve for x
    x = 36,209,442,728,160,608/218,958,548.99
  6. Step 6: Final answer
    x = 165,371,221.61

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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.