Home / 133,059,020.80-199,588,531.20-123,105,740.80

Finding the Fourth Proportional to 133,059,020.80, 199,588,531.20 and 123,105,740.80

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Solution

The fourth proportional to 133,059,020.80, 199,588,531.20 and 123,105,740.80 is: 184,658,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,020.80 : 199,588,531.20 = 123,105,740.80 : x
  2. Step 2: Convert to fraction form
    133,059,020.80/199,588,531.20 = 123,105,740.80/x
  3. Step 3: Cross multiply
    133,059,020.80x = 199,588,531.20 × 123,105,740.80
  4. Step 4: Simplify right side
    133,059,020.80x = 24,570,493,988,559,912
  5. Step 5: Solve for x
    x = 24,570,493,988,559,912/133,059,020.80
  6. Step 6: Final answer
    x = 184,658,611.20

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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.