Home / 147,624,493.20-221,436,739.80-65,743,213.20

Finding the Fourth Proportional to 147,624,493.20, 221,436,739.80 and 65,743,213.20

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Solution

The fourth proportional to 147,624,493.20, 221,436,739.80 and 65,743,213.20 is: 98,614,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,493.20 : 221,436,739.80 = 65,743,213.20 : x
  2. Step 2: Convert to fraction form
    147,624,493.20/221,436,739.80 = 65,743,213.20/x
  3. Step 3: Cross multiply
    147,624,493.20x = 221,436,739.80 × 65,743,213.20
  4. Step 4: Simplify right side
    147,624,493.20x = 14,557,962,794,984,326
  5. Step 5: Solve for x
    x = 14,557,962,794,984,326/147,624,493.20
  6. Step 6: Final answer
    x = 98,614,819.80

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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.