Home / 252,054,738.40-378,082,107.60-98,649,810.40

Finding the Fourth Proportional to 252,054,738.40, 378,082,107.60 and 98,649,810.40

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Solution

The fourth proportional to 252,054,738.40, 378,082,107.60 and 98,649,810.40 is: 147,974,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,054,738.40 : 378,082,107.60 = 98,649,810.40 : x
  2. Step 2: Convert to fraction form
    252,054,738.40/378,082,107.60 = 98,649,810.40/x
  3. Step 3: Cross multiply
    252,054,738.40x = 378,082,107.60 × 98,649,810.40
  4. Step 4: Simplify right side
    252,054,738.40x = 37,297,728,230,372,400
  5. Step 5: Solve for x
    x = 37,297,728,230,372,400/252,054,738.40
  6. Step 6: Final answer
    x = 147,974,715.60

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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.