Home / 202,443,961.25-279,372,598.45-109,624,469.10

Finding the Fourth Proportional to 202,443,961.25, 279,372,598.45 and 109,624,469.10

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Solution

The fourth proportional to 202,443,961.25, 279,372,598.45 and 109,624,469.10 is: 151,281,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,443,961.25 : 279,372,598.45 = 109,624,469.10 : x
  2. Step 2: Convert to fraction form
    202,443,961.25/279,372,598.45 = 109,624,469.10/x
  3. Step 3: Cross multiply
    202,443,961.25x = 279,372,598.45 × 109,624,469.10
  4. Step 4: Simplify right side
    202,443,961.25x = 30,626,072,786,168,728
  5. Step 5: Solve for x
    x = 30,626,072,786,168,728/202,443,961.25
  6. Step 6: Final answer
    x = 151,281,730.50

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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.