Home / 143,047,668.92-197,475,765.38-95,987,905

Finding the Fourth Proportional to 143,047,668.92, 197,475,765.38 and 95,987,905

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Solution

The fourth proportional to 143,047,668.92, 197,475,765.38 and 95,987,905 is: 132,510,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,047,668.92 : 197,475,765.38 = 95,987,905 : x
  2. Step 2: Convert to fraction form
    143,047,668.92/197,475,765.38 = 95,987,905/x
  3. Step 3: Cross multiply
    143,047,668.92x = 197,475,765.38 × 95,987,905
  4. Step 4: Simplify right side
    143,047,668.92x = 18,955,285,007,097,728
  5. Step 5: Solve for x
    x = 18,955,285,007,097,728/143,047,668.92
  6. Step 6: Final answer
    x = 132,510,268.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.