Home / 168,806,039.70-253,173,629.52-47,609,148.18

Finding the Fourth Proportional to 168,806,039.70, 253,173,629.52 and 47,609,148.18

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Solution

The fourth proportional to 168,806,039.70, 253,173,629.52 and 47,609,148.18 is: 71,403,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806,039.70 : 253,173,629.52 = 47,609,148.18 : x
  2. Step 2: Convert to fraction form
    168,806,039.70/253,173,629.52 = 47,609,148.18/x
  3. Step 3: Cross multiply
    168,806,039.70x = 253,173,629.52 × 47,609,148.18
  4. Step 4: Simplify right side
    168,806,039.70x = 12,053,380,843,086,102
  5. Step 5: Solve for x
    x = 12,053,380,843,086,102/168,806,039.70
  6. Step 6: Final answer
    x = 71,403,729.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.