Home / 124,741,992.66-172,124,825.83-71,808,468.33

Finding the Fourth Proportional to 124,741,992.66, 172,124,825.83 and 71,808,468.33

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Solution

The fourth proportional to 124,741,992.66, 172,124,825.83 and 71,808,468.33 is: 99,084,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741,992.66 : 172,124,825.83 = 71,808,468.33 : x
  2. Step 2: Convert to fraction form
    124,741,992.66/172,124,825.83 = 71,808,468.33/x
  3. Step 3: Cross multiply
    124,741,992.66x = 172,124,825.83 × 71,808,468.33
  4. Step 4: Simplify right side
    124,741,992.66x = 12,360,020,104,420,322
  5. Step 5: Solve for x
    x = 12,360,020,104,420,322/124,741,992.66
  6. Step 6: Final answer
    x = 99,084,677.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.