Home / 123,642,687.82-185,469,075.46-31,528,814.80

Finding the Fourth Proportional to 123,642,687.82, 185,469,075.46 and 31,528,814.80

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Solution

The fourth proportional to 123,642,687.82, 185,469,075.46 and 31,528,814.80 is: 47,294,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,642,687.82 : 185,469,075.46 = 31,528,814.80 : x
  2. Step 2: Convert to fraction form
    123,642,687.82/185,469,075.46 = 31,528,814.80/x
  3. Step 3: Cross multiply
    123,642,687.82x = 185,469,075.46 × 31,528,814.80
  4. Step 4: Simplify right side
    123,642,687.82x = 5,847,620,131,305,565
  5. Step 5: Solve for x
    x = 5,847,620,131,305,565/123,642,687.82
  6. Step 6: Final answer
    x = 47,294,508.35

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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.