Home / 199,591,020.20-299,610,479.10-154,353,362.60

Finding the Fourth Proportional to 199,591,020.20, 299,610,479.10 and 154,353,362.60

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Solution

The fourth proportional to 199,591,020.20, 299,610,479.10 and 154,353,362.60 is: 231,703,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,591,020.20 : 299,610,479.10 = 154,353,362.60 : x
  2. Step 2: Convert to fraction form
    199,591,020.20/299,610,479.10 = 154,353,362.60/x
  3. Step 3: Cross multiply
    199,591,020.20x = 299,610,479.10 × 154,353,362.60
  4. Step 4: Simplify right side
    199,591,020.20x = 46,245,884,919,282,024
  5. Step 5: Solve for x
    x = 46,245,884,919,282,024/199,591,020.20
  6. Step 6: Final answer
    x = 231,703,234.31

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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.