Home / 197,315,999.20-295,973,998.80-193,914,776.80

Finding the Fourth Proportional to 197,315,999.20, 295,973,998.80 and 193,914,776.80

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Solution

The fourth proportional to 197,315,999.20, 295,973,998.80 and 193,914,776.80 is: 290,872,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315,999.20 : 295,973,998.80 = 193,914,776.80 : x
  2. Step 2: Convert to fraction form
    197,315,999.20/295,973,998.80 = 193,914,776.80/x
  3. Step 3: Cross multiply
    197,315,999.20x = 295,973,998.80 × 193,914,776.80
  4. Step 4: Simplify right side
    197,315,999.20x = 57,393,731,915,905,472
  5. Step 5: Solve for x
    x = 57,393,731,915,905,472/197,315,999.20
  6. Step 6: Final answer
    x = 290,872,165.20

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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.