Home / 354,302,962.20-531,454,443.30-111,965,866.20

Finding the Fourth Proportional to 354,302,962.20, 531,454,443.30 and 111,965,866.20

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Solution

The fourth proportional to 354,302,962.20, 531,454,443.30 and 111,965,866.20 is: 167,948,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302,962.20 : 531,454,443.30 = 111,965,866.20 : x
  2. Step 2: Convert to fraction form
    354,302,962.20/531,454,443.30 = 111,965,866.20/x
  3. Step 3: Cross multiply
    354,302,962.20x = 531,454,443.30 × 111,965,866.20
  4. Step 4: Simplify right side
    354,302,962.20x = 59,504,757,089,923,288
  5. Step 5: Solve for x
    x = 59,504,757,089,923,288/354,302,962.20
  6. Step 6: Final answer
    x = 167,948,799.30

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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.