Home / 168,967,031.34-253,557,165.06-71,922,584.13

Finding the Fourth Proportional to 168,967,031.34, 253,557,165.06 and 71,922,584.13

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Solution

The fourth proportional to 168,967,031.34, 253,557,165.06 and 71,922,584.13 is: 107,929,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,967,031.34 : 253,557,165.06 = 71,922,584.13 : x
  2. Step 2: Convert to fraction form
    168,967,031.34/253,557,165.06 = 71,922,584.13/x
  3. Step 3: Cross multiply
    168,967,031.34x = 253,557,165.06 × 71,922,584.13
  4. Step 4: Simplify right side
    168,967,031.34x = 18,236,486,535,792,144
  5. Step 5: Solve for x
    x = 18,236,486,535,792,144/168,967,031.34
  6. Step 6: Final answer
    x = 107,929,259.28

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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.