Home / 201,089,207.80-301,783,110.90-80,007,556.60

Finding the Fourth Proportional to 201,089,207.80, 301,783,110.90 and 80,007,556.60

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Solution

The fourth proportional to 201,089,207.80, 301,783,110.90 and 80,007,556.60 is: 120,070,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,089,207.80 : 301,783,110.90 = 80,007,556.60 : x
  2. Step 2: Convert to fraction form
    201,089,207.80/301,783,110.90 = 80,007,556.60/x
  3. Step 3: Cross multiply
    201,089,207.80x = 301,783,110.90 × 80,007,556.60
  4. Step 4: Simplify right side
    201,089,207.80x = 24,144,929,326,255,824
  5. Step 5: Solve for x
    x = 24,144,929,326,255,824/201,089,207.80
  6. Step 6: Final answer
    x = 120,070,736.72

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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.