Home / 122,327,270.80-183,490,906.20-67,907,712.40

Finding the Fourth Proportional to 122,327,270.80, 183,490,906.20 and 67,907,712.40

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Solution

The fourth proportional to 122,327,270.80, 183,490,906.20 and 67,907,712.40 is: 101,861,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327,270.80 : 183,490,906.20 = 67,907,712.40 : x
  2. Step 2: Convert to fraction form
    122,327,270.80/183,490,906.20 = 67,907,712.40/x
  3. Step 3: Cross multiply
    122,327,270.80x = 183,490,906.20 × 67,907,712.40
  4. Step 4: Simplify right side
    122,327,270.80x = 12,460,447,686,244,978
  5. Step 5: Solve for x
    x = 12,460,447,686,244,978/122,327,270.80
  6. Step 6: Final answer
    x = 101,861,568.60

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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.