Home / 210,203,346.40-315,540,949.20-162,545,567.20

Finding the Fourth Proportional to 210,203,346.40, 315,540,949.20 and 162,545,567.20

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Solution

The fourth proportional to 210,203,346.40, 315,540,949.20 and 162,545,567.20 is: 244,000,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,203,346.40 : 315,540,949.20 = 162,545,567.20 : x
  2. Step 2: Convert to fraction form
    210,203,346.40/315,540,949.20 = 162,545,567.20/x
  3. Step 3: Cross multiply
    210,203,346.40x = 315,540,949.20 × 162,545,567.20
  4. Step 4: Simplify right side
    210,203,346.40x = 51,289,782,562,540,384
  5. Step 5: Solve for x
    x = 51,289,782,562,540,384/210,203,346.40
  6. Step 6: Final answer
    x = 244,000,789.91

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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.