Home / 66,429,361.80-99,644,042.70-18,560,305.80

Finding the Fourth Proportional to 66,429,361.80, 99,644,042.70 and 18,560,305.80

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Solution

The fourth proportional to 66,429,361.80, 99,644,042.70 and 18,560,305.80 is: 27,840,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,361.80 : 99,644,042.70 = 18,560,305.80 : x
  2. Step 2: Convert to fraction form
    66,429,361.80/99,644,042.70 = 18,560,305.80/x
  3. Step 3: Cross multiply
    66,429,361.80x = 99,644,042.70 × 18,560,305.80
  4. Step 4: Simplify right side
    66,429,361.80x = 1,849,423,903,660,257.75
  5. Step 5: Solve for x
    x = 1,849,423,903,660,257.75/66,429,361.80
  6. Step 6: Final answer
    x = 27,840,458.70

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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.