Home / 172,418,664.63-258,403,435.78-70,063,040.55

Finding the Fourth Proportional to 172,418,664.63, 258,403,435.78 and 70,063,040.55

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Solution

The fourth proportional to 172,418,664.63, 258,403,435.78 and 70,063,040.55 is: 105,003,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,418,664.63 : 258,403,435.78 = 70,063,040.55 : x
  2. Step 2: Convert to fraction form
    172,418,664.63/258,403,435.78 = 70,063,040.55/x
  3. Step 3: Cross multiply
    172,418,664.63x = 258,403,435.78 × 70,063,040.55
  4. Step 4: Simplify right side
    172,418,664.63x = 18,104,530,399,313,460
  5. Step 5: Solve for x
    x = 18,104,530,399,313,460/172,418,664.63
  6. Step 6: Final answer
    x = 105,003,309.46

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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.