Home / 315,753,174.15-435,690,972.58-181,765,190.70

Finding the Fourth Proportional to 315,753,174.15, 435,690,972.58 and 181,765,190.70

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Solution

The fourth proportional to 315,753,174.15, 435,690,972.58 and 181,765,190.70 is: 250,808,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,753,174.15 : 435,690,972.58 = 181,765,190.70 : x
  2. Step 2: Convert to fraction form
    315,753,174.15/435,690,972.58 = 181,765,190.70/x
  3. Step 3: Cross multiply
    315,753,174.15x = 435,690,972.58 × 181,765,190.70
  4. Step 4: Simplify right side
    315,753,174.15x = 79,193,452,717,272,160
  5. Step 5: Solve for x
    x = 79,193,452,717,272,160/315,753,174.15
  6. Step 6: Final answer
    x = 250,808,096.96

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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.