Home / 308,405,586.81-425,595,739.23-176,245,069.89

Finding the Fourth Proportional to 308,405,586.81, 425,595,739.23 and 176,245,069.89

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Solution

The fourth proportional to 308,405,586.81, 425,595,739.23 and 176,245,069.89 is: 243,215,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,405,586.81 : 425,595,739.23 = 176,245,069.89 : x
  2. Step 2: Convert to fraction form
    308,405,586.81/425,595,739.23 = 176,245,069.89/x
  3. Step 3: Cross multiply
    308,405,586.81x = 425,595,739.23 × 176,245,069.89
  4. Step 4: Simplify right side
    308,405,586.81x = 75,009,150,805,477,568
  5. Step 5: Solve for x
    x = 75,009,150,805,477,568/308,405,586.81
  6. Step 6: Final answer
    x = 243,215,927.38

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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.