Home / 315,753,170.90-435,690,968.10-181,765,187.45

Finding the Fourth Proportional to 315,753,170.90, 435,690,968.10 and 181,765,187.45

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Solution

The fourth proportional to 315,753,170.90, 435,690,968.10 and 181,765,187.45 is: 250,808,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,753,170.90 : 435,690,968.10 = 181,765,187.45 : x
  2. Step 2: Convert to fraction form
    315,753,170.90/435,690,968.10 = 181,765,187.45/x
  3. Step 3: Cross multiply
    315,753,170.90x = 435,690,968.10 × 181,765,187.45
  4. Step 4: Simplify right side
    315,753,170.90x = 79,193,450,484,790,016
  5. Step 5: Solve for x
    x = 79,193,450,484,790,016/315,753,170.90
  6. Step 6: Final answer
    x = 250,808,092.47

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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.