Home / 197,315,999.80-295,973,999.70-187,910,150.20

Finding the Fourth Proportional to 197,315,999.80, 295,973,999.70 and 187,910,150.20

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Solution

The fourth proportional to 197,315,999.80, 295,973,999.70 and 187,910,150.20 is: 281,865,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315,999.80 : 295,973,999.70 = 187,910,150.20 : x
  2. Step 2: Convert to fraction form
    197,315,999.80/295,973,999.70 = 187,910,150.20/x
  3. Step 3: Cross multiply
    197,315,999.80x = 295,973,999.70 × 187,910,150.20
  4. Step 4: Simplify right side
    197,315,999.80x = 55,616,518,738,921,752
  5. Step 5: Solve for x
    x = 55,616,518,738,921,752/197,315,999.80
  6. Step 6: Final answer
    x = 281,865,225.30

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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.