Home / 402,569,353.62-603,786,763.78-111,465,902.86

Finding the Fourth Proportional to 402,569,353.62, 603,786,763.78 and 111,465,902.86

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Solution

The fourth proportional to 402,569,353.62, 603,786,763.78 and 111,465,902.86 is: 167,180,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,569,353.62 : 603,786,763.78 = 111,465,902.86 : x
  2. Step 2: Convert to fraction form
    402,569,353.62/603,786,763.78 = 111,465,902.86/x
  3. Step 3: Cross multiply
    402,569,353.62x = 603,786,763.78 × 111,465,902.86
  4. Step 4: Simplify right side
    402,569,353.62x = 67,301,636,757,867,120
  5. Step 5: Solve for x
    x = 67,301,636,757,867,120/402,569,353.62
  6. Step 6: Final answer
    x = 167,180,229.08

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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.