Home / 51,990,759.51-71,749,489.58-28,785,885.78

Finding the Fourth Proportional to 51,990,759.51, 71,749,489.58 and 28,785,885.78

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Solution

The fourth proportional to 51,990,759.51, 71,749,489.58 and 28,785,885.78 is: 39,725,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,759.51 : 71,749,489.58 = 28,785,885.78 : x
  2. Step 2: Convert to fraction form
    51,990,759.51/71,749,489.58 = 28,785,885.78/x
  3. Step 3: Cross multiply
    51,990,759.51x = 71,749,489.58 × 28,785,885.78
  4. Step 4: Simplify right side
    51,990,759.51x = 2,065,372,611,823,180.25
  5. Step 5: Solve for x
    x = 2,065,372,611,823,180.25/51,990,759.51
  6. Step 6: Final answer
    x = 39,725,763.41

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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.