Home / 197,143,321.80-295,148,112.30-191,474,617.80

Finding the Fourth Proportional to 197,143,321.80, 295,148,112.30 and 191,474,617.80

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Solution

The fourth proportional to 197,143,321.80, 295,148,112.30 and 191,474,617.80 is: 286,661,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143,321.80 : 295,148,112.30 = 191,474,617.80 : x
  2. Step 2: Convert to fraction form
    197,143,321.80/295,148,112.30 = 191,474,617.80/x
  3. Step 3: Cross multiply
    197,143,321.80x = 295,148,112.30 × 191,474,617.80
  4. Step 4: Simplify right side
    197,143,321.80x = 56,513,371,997,033,984
  5. Step 5: Solve for x
    x = 56,513,371,997,033,984/197,143,321.80
  6. Step 6: Final answer
    x = 286,661,356.22

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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.