Home / 119,555,142.53-164,980,999.13-66,629,033.91

Finding the Fourth Proportional to 119,555,142.53, 164,980,999.13 and 66,629,033.91

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Solution

The fourth proportional to 119,555,142.53, 164,980,999.13 and 66,629,033.91 is: 91,945,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,142.53 : 164,980,999.13 = 66,629,033.91 : x
  2. Step 2: Convert to fraction form
    119,555,142.53/164,980,999.13 = 66,629,033.91/x
  3. Step 3: Cross multiply
    119,555,142.53x = 164,980,999.13 × 66,629,033.91
  4. Step 4: Simplify right side
    119,555,142.53x = 10,992,524,585,205,304
  5. Step 5: Solve for x
    x = 10,992,524,585,205,304/119,555,142.53
  6. Step 6: Final answer
    x = 91,945,225.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.