Home / 61,770,759.10-85,208,231.55-38,525,529.58

Finding the Fourth Proportional to 61,770,759.10, 85,208,231.55 and 38,525,529.58

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Solution

The fourth proportional to 61,770,759.10, 85,208,231.55 and 38,525,529.58 is: 53,143,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770,759.10 : 85,208,231.55 = 38,525,529.58 : x
  2. Step 2: Convert to fraction form
    61,770,759.10/85,208,231.55 = 38,525,529.58/x
  3. Step 3: Cross multiply
    61,770,759.10x = 85,208,231.55 × 38,525,529.58
  4. Step 4: Simplify right side
    61,770,759.10x = 3,282,692,245,039,014
  5. Step 5: Solve for x
    x = 3,282,692,245,039,014/61,770,759.10
  6. Step 6: Final answer
    x = 53,143,142.37

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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.