Home / 172,072,118.16-258,215,796.36-69,836,155.80

Finding the Fourth Proportional to 172,072,118.16, 258,215,796.36 and 69,836,155.80

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Solution

The fourth proportional to 172,072,118.16, 258,215,796.36 and 69,836,155.80 is: 104,797,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,072,118.16 : 258,215,796.36 = 69,836,155.80 : x
  2. Step 2: Convert to fraction form
    172,072,118.16/258,215,796.36 = 69,836,155.80/x
  3. Step 3: Cross multiply
    172,072,118.16x = 258,215,796.36 × 69,836,155.80
  4. Step 4: Simplify right side
    172,072,118.16x = 18,032,798,584,618,032
  5. Step 5: Solve for x
    x = 18,032,798,584,618,032/172,072,118.16
  6. Step 6: Final answer
    x = 104,797,911.35

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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.