Home / 308,409,016.36-462,568,019.86-90,000,715.64

Finding the Fourth Proportional to 308,409,016.36, 462,568,019.86 and 90,000,715.64

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Solution

The fourth proportional to 308,409,016.36, 462,568,019.86 and 90,000,715.64 is: 134,987,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,409,016.36 : 462,568,019.86 = 90,000,715.64 : x
  2. Step 2: Convert to fraction form
    308,409,016.36/462,568,019.86 = 90,000,715.64/x
  3. Step 3: Cross multiply
    308,409,016.36x = 462,568,019.86 × 90,000,715.64
  4. Step 4: Simplify right side
    308,409,016.36x = 41,631,452,819,577,736
  5. Step 5: Solve for x
    x = 41,631,452,819,577,736/308,409,016.36
  6. Step 6: Final answer
    x = 134,987,794.17

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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.