Home / 172,465,502.80-258,734,196.60-57,485,765.20

Finding the Fourth Proportional to 172,465,502.80, 258,734,196.60 and 57,485,765.20

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Solution

The fourth proportional to 172,465,502.80, 258,734,196.60 and 57,485,765.20 is: 86,240,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,465,502.80 : 258,734,196.60 = 57,485,765.20 : x
  2. Step 2: Convert to fraction form
    172,465,502.80/258,734,196.60 = 57,485,765.20/x
  3. Step 3: Cross multiply
    172,465,502.80x = 258,734,196.60 × 57,485,765.20
  4. Step 4: Simplify right side
    172,465,502.80x = 14,873,533,274,958,238
  5. Step 5: Solve for x
    x = 14,873,533,274,958,238/172,465,502.80
  6. Step 6: Final answer
    x = 86,240,628.03

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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.