Home / 51,990,758-71,749,487.51-28,785,884.28

Finding the Fourth Proportional to 51,990,758, 71,749,487.51 and 28,785,884.28

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Solution

The fourth proportional to 51,990,758, 71,749,487.51 and 28,785,884.28 is: 39,725,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,758 : 71,749,487.51 = 28,785,884.28 : x
  2. Step 2: Convert to fraction form
    51,990,758/71,749,487.51 = 28,785,884.28/x
  3. Step 3: Cross multiply
    51,990,758x = 71,749,487.51 × 28,785,884.28
  4. Step 4: Simplify right side
    51,990,758x = 2,065,372,444,612,165.50
  5. Step 5: Solve for x
    x = 2,065,372,444,612,165.50/51,990,758
  6. Step 6: Final answer
    x = 39,725,761.35

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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.