Home / 218,313,981.70-327,470,972.55-109,156,000.30

Finding the Fourth Proportional to 218,313,981.70, 327,470,972.55 and 109,156,000.30

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Solution

The fourth proportional to 218,313,981.70, 327,470,972.55 and 109,156,000.30 is: 163,734,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,981.70 : 327,470,972.55 = 109,156,000.30 : x
  2. Step 2: Convert to fraction form
    218,313,981.70/327,470,972.55 = 109,156,000.30/x
  3. Step 3: Cross multiply
    218,313,981.70x = 327,470,972.55 × 109,156,000.30
  4. Step 4: Simplify right side
    218,313,981.70x = 35,745,421,577,909,092
  5. Step 5: Solve for x
    x = 35,745,421,577,909,092/218,313,981.70
  6. Step 6: Final answer
    x = 163,734,000.45

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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.