Home / 308,409,017.36-462,568,021.36-90,000,716.64

Finding the Fourth Proportional to 308,409,017.36, 462,568,021.36 and 90,000,716.64

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Solution

The fourth proportional to 308,409,017.36, 462,568,021.36 and 90,000,716.64 is: 134,987,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,409,017.36 : 462,568,021.36 = 90,000,716.64 : x
  2. Step 2: Convert to fraction form
    308,409,017.36/462,568,021.36 = 90,000,716.64/x
  3. Step 3: Cross multiply
    308,409,017.36x = 462,568,021.36 × 90,000,716.64
  4. Step 4: Simplify right side
    308,409,017.36x = 41,631,453,417,146,832
  5. Step 5: Solve for x
    x = 41,631,453,417,146,832/308,409,017.36
  6. Step 6: Final answer
    x = 134,987,795.67

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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.