Home / 306,292,106.92-422,718,842.20-174,152,902.62

Finding the Fourth Proportional to 306,292,106.92, 422,718,842.20 and 174,152,902.62

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Solution

The fourth proportional to 306,292,106.92, 422,718,842.20 and 174,152,902.62 is: 240,351,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,292,106.92 : 422,718,842.20 = 174,152,902.62 : x
  2. Step 2: Convert to fraction form
    306,292,106.92/422,718,842.20 = 174,152,902.62/x
  3. Step 3: Cross multiply
    306,292,106.92x = 422,718,842.20 × 174,152,902.62
  4. Step 4: Simplify right side
    306,292,106.92x = 73,617,713,361,295,744
  5. Step 5: Solve for x
    x = 73,617,713,361,295,744/306,292,106.92
  6. Step 6: Final answer
    x = 240,351,323.78

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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.