Home / 306,292,104.54-422,718,838.91-174,152,900.24

Finding the Fourth Proportional to 306,292,104.54, 422,718,838.91 and 174,152,900.24

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Solution

The fourth proportional to 306,292,104.54, 422,718,838.91 and 174,152,900.24 is: 240,351,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,292,104.54 : 422,718,838.91 = 174,152,900.24 : x
  2. Step 2: Convert to fraction form
    306,292,104.54/422,718,838.91 = 174,152,900.24/x
  3. Step 3: Cross multiply
    306,292,104.54x = 422,718,838.91 × 174,152,900.24
  4. Step 4: Simplify right side
    306,292,104.54x = 73,617,711,780,148,272
  5. Step 5: Solve for x
    x = 73,617,711,780,148,272/306,292,104.54
  6. Step 6: Final answer
    x = 240,351,320.49

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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.