Home / 123,589,847.69-170,551,554.07-69,943,515.44

Finding the Fourth Proportional to 123,589,847.69, 170,551,554.07 and 69,943,515.44

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Solution

The fourth proportional to 123,589,847.69, 170,551,554.07 and 69,943,515.44 is: 96,520,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589,847.69 : 170,551,554.07 = 69,943,515.44 : x
  2. Step 2: Convert to fraction form
    123,589,847.69/170,551,554.07 = 69,943,515.44/x
  3. Step 3: Cross multiply
    123,589,847.69x = 170,551,554.07 × 69,943,515.44
  4. Step 4: Simplify right side
    123,589,847.69x = 11,928,975,255,277,542
  5. Step 5: Solve for x
    x = 11,928,975,255,277,542/123,589,847.69
  6. Step 6: Final answer
    x = 96,520,672.84

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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.