Home / 133,461,344.80-199,940,074.80-68,544,186.40

Finding the Fourth Proportional to 133,461,344.80, 199,940,074.80 and 68,544,186.40

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Solution

The fourth proportional to 133,461,344.80, 199,940,074.80 and 68,544,186.40 is: 102,686,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,461,344.80 : 199,940,074.80 = 68,544,186.40 : x
  2. Step 2: Convert to fraction form
    133,461,344.80/199,940,074.80 = 68,544,186.40/x
  3. Step 3: Cross multiply
    133,461,344.80x = 199,940,074.80 × 68,544,186.40
  4. Step 4: Simplify right side
    133,461,344.80x = 13,704,729,755,921,144
  5. Step 5: Solve for x
    x = 13,704,729,755,921,144/133,461,344.80
  6. Step 6: Final answer
    x = 102,686,884.93

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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.