Home / 51,990,764.59-71,749,496.60-28,785,890.87

Finding the Fourth Proportional to 51,990,764.59, 71,749,496.60 and 28,785,890.87

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Solution

The fourth proportional to 51,990,764.59, 71,749,496.60 and 28,785,890.87 is: 39,725,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,764.59 : 71,749,496.60 = 28,785,890.87 : x
  2. Step 2: Convert to fraction form
    51,990,764.59/71,749,496.60 = 28,785,890.87/x
  3. Step 3: Cross multiply
    51,990,764.59x = 71,749,496.60 × 28,785,890.87
  4. Step 4: Simplify right side
    51,990,764.59x = 2,065,373,179,141,287.50
  5. Step 5: Solve for x
    x = 2,065,373,179,141,287.50/51,990,764.59
  6. Step 6: Final answer
    x = 39,725,770.44

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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.