Home / 201,089,200.80-301,783,100.40-80,007,549.60

Finding the Fourth Proportional to 201,089,200.80, 301,783,100.40 and 80,007,549.60

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Solution

The fourth proportional to 201,089,200.80, 301,783,100.40 and 80,007,549.60 is: 120,070,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,089,200.80 : 301,783,100.40 = 80,007,549.60 : x
  2. Step 2: Convert to fraction form
    201,089,200.80/301,783,100.40 = 80,007,549.60/x
  3. Step 3: Cross multiply
    201,089,200.80x = 301,783,100.40 × 80,007,549.60
  4. Step 4: Simplify right side
    201,089,200.80x = 24,144,926,373,694,776
  5. Step 5: Solve for x
    x = 24,144,926,373,694,776/201,089,200.80
  6. Step 6: Final answer
    x = 120,070,726.21

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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.