Home / 328,363,140.20-492,219,846.30-155,536,183.40

Finding the Fourth Proportional to 328,363,140.20, 492,219,846.30 and 155,536,183.40

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Solution

The fourth proportional to 328,363,140.20, 492,219,846.30 and 155,536,183.40 is: 233,150,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,363,140.20 : 492,219,846.30 = 155,536,183.40 : x
  2. Step 2: Convert to fraction form
    328,363,140.20/492,219,846.30 = 155,536,183.40/x
  3. Step 3: Cross multiply
    328,363,140.20x = 492,219,846.30 × 155,536,183.40
  4. Step 4: Simplify right side
    328,363,140.20x = 76,557,996,287,236,624
  5. Step 5: Solve for x
    x = 76,557,996,287,236,624/328,363,140.20
  6. Step 6: Final answer
    x = 233,150,396.36

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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.