Home / 197,206,763.85-295,810,145.78-120,679,259.85

Finding the Fourth Proportional to 197,206,763.85, 295,810,145.78 and 120,679,259.85

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Solution

The fourth proportional to 197,206,763.85, 295,810,145.78 and 120,679,259.85 is: 181,018,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,206,763.85 : 295,810,145.78 = 120,679,259.85 : x
  2. Step 2: Convert to fraction form
    197,206,763.85/295,810,145.78 = 120,679,259.85/x
  3. Step 3: Cross multiply
    197,206,763.85x = 295,810,145.78 × 120,679,259.85
  4. Step 4: Simplify right side
    197,206,763.85x = 35,698,149,448,247,600
  5. Step 5: Solve for x
    x = 35,698,149,448,247,600/197,206,763.85
  6. Step 6: Final answer
    x = 181,018,889.78

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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.