Home / 242,493,136.40-363,739,704.60-145,747,254.80

Finding the Fourth Proportional to 242,493,136.40, 363,739,704.60 and 145,747,254.80

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Solution

The fourth proportional to 242,493,136.40, 363,739,704.60 and 145,747,254.80 is: 218,620,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,493,136.40 : 363,739,704.60 = 145,747,254.80 : x
  2. Step 2: Convert to fraction form
    242,493,136.40/363,739,704.60 = 145,747,254.80/x
  3. Step 3: Cross multiply
    242,493,136.40x = 363,739,704.60 × 145,747,254.80
  4. Step 4: Simplify right side
    242,493,136.40x = 53,014,063,407,212,936
  5. Step 5: Solve for x
    x = 53,014,063,407,212,936/242,493,136.40
  6. Step 6: Final answer
    x = 218,620,882.20

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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.