Home / 354,048,014.40-531,072,021.60-200,993,006.40

Finding the Fourth Proportional to 354,048,014.40, 531,072,021.60 and 200,993,006.40

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Solution

The fourth proportional to 354,048,014.40, 531,072,021.60 and 200,993,006.40 is: 301,489,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,048,014.40 : 531,072,021.60 = 200,993,006.40 : x
  2. Step 2: Convert to fraction form
    354,048,014.40/531,072,021.60 = 200,993,006.40/x
  3. Step 3: Cross multiply
    354,048,014.40x = 531,072,021.60 × 200,993,006.40
  4. Step 4: Simplify right side
    354,048,014.40x = 106,741,762,236,309,744
  5. Step 5: Solve for x
    x = 106,741,762,236,309,744/354,048,014.40
  6. Step 6: Final answer
    x = 301,489,509.60

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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.