Home / 201,089,052.80-301,782,878.40-80,007,401.60

Finding the Fourth Proportional to 201,089,052.80, 301,782,878.40 and 80,007,401.60

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Solution

The fourth proportional to 201,089,052.80, 301,782,878.40 and 80,007,401.60 is: 120,070,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,089,052.80 : 301,782,878.40 = 80,007,401.60 : x
  2. Step 2: Convert to fraction form
    201,089,052.80/301,782,878.40 = 80,007,401.60/x
  3. Step 3: Cross multiply
    201,089,052.80x = 301,782,878.40 × 80,007,401.60
  4. Step 4: Simplify right side
    201,089,052.80x = 24,144,863,948,152,760
  5. Step 5: Solve for x
    x = 24,144,863,948,152,760/201,089,052.80
  6. Step 6: Final answer
    x = 120,070,504.15

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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.