Home / 306,292,104.79-422,718,839.26-174,152,900.49

Finding the Fourth Proportional to 306,292,104.79, 422,718,839.26 and 174,152,900.49

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Solution

The fourth proportional to 306,292,104.79, 422,718,839.26 and 174,152,900.49 is: 240,351,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,292,104.79 : 422,718,839.26 = 174,152,900.49 : x
  2. Step 2: Convert to fraction form
    306,292,104.79/422,718,839.26 = 174,152,900.49/x
  3. Step 3: Cross multiply
    306,292,104.79x = 422,718,839.26 × 174,152,900.49
  4. Step 4: Simplify right side
    306,292,104.79x = 73,617,711,946,874,512
  5. Step 5: Solve for x
    x = 73,617,711,946,874,512/306,292,104.79
  6. Step 6: Final answer
    x = 240,351,320.83

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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.