Home / 209,416,469.08-313,716,048.15-163,141,664.34

Finding the Fourth Proportional to 209,416,469.08, 313,716,048.15 and 163,141,664.34

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Solution

The fourth proportional to 209,416,469.08, 313,716,048.15 and 163,141,664.34 is: 244,394,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,416,469.08 : 313,716,048.15 = 163,141,664.34 : x
  2. Step 2: Convert to fraction form
    209,416,469.08/313,716,048.15 = 163,141,664.34/x
  3. Step 3: Cross multiply
    209,416,469.08x = 313,716,048.15 × 163,141,664.34
  4. Step 4: Simplify right side
    209,416,469.08x = 51,180,158,225,358,576
  5. Step 5: Solve for x
    x = 51,180,158,225,358,576/209,416,469.08
  6. Step 6: Final answer
    x = 244,394,141.73

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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.