Home / 251,639,969.78-377,284,470.13-111,504,209.46

Finding the Fourth Proportional to 251,639,969.78, 377,284,470.13 and 111,504,209.46

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Solution

The fourth proportional to 251,639,969.78, 377,284,470.13 and 111,504,209.46 is: 167,178,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,639,969.78 : 377,284,470.13 = 111,504,209.46 : x
  2. Step 2: Convert to fraction form
    251,639,969.78/377,284,470.13 = 111,504,209.46/x
  3. Step 3: Cross multiply
    251,639,969.78x = 377,284,470.13 × 111,504,209.46
  4. Step 4: Simplify right side
    251,639,969.78x = 42,068,806,582,105,200
  5. Step 5: Solve for x
    x = 42,068,806,582,105,200/251,639,969.78
  6. Step 6: Final answer
    x = 167,178,555.21

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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.