Home / 215,297,770.38-323,089,289.01-118,321,200.78

Finding the Fourth Proportional to 215,297,770.38, 323,089,289.01 and 118,321,200.78

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Solution

The fourth proportional to 215,297,770.38, 323,089,289.01 and 118,321,200.78 is: 177,560,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,297,770.38 : 323,089,289.01 = 118,321,200.78 : x
  2. Step 2: Convert to fraction form
    215,297,770.38/323,089,289.01 = 118,321,200.78/x
  3. Step 3: Cross multiply
    215,297,770.38x = 323,089,289.01 × 118,321,200.78
  4. Step 4: Simplify right side
    215,297,770.38x = 38,228,312,634,819,656
  5. Step 5: Solve for x
    x = 38,228,312,634,819,656/215,297,770.38
  6. Step 6: Final answer
    x = 177,560,188.23

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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.