Home / 229,170,419.28-316,321,967.88-149,797,020.24

Finding the Fourth Proportional to 229,170,419.28, 316,321,967.88 and 149,797,020.24

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Solution

The fourth proportional to 229,170,419.28, 316,321,967.88 and 149,797,020.24 is: 206,763,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,170,419.28 : 316,321,967.88 = 149,797,020.24 : x
  2. Step 2: Convert to fraction form
    229,170,419.28/316,321,967.88 = 149,797,020.24/x
  3. Step 3: Cross multiply
    229,170,419.28x = 316,321,967.88 × 149,797,020.24
  4. Step 4: Simplify right side
    229,170,419.28x = 47,384,088,224,876,992
  5. Step 5: Solve for x
    x = 47,384,088,224,876,992/229,170,419.28
  6. Step 6: Final answer
    x = 206,763,544.67

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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.