Home / 143,881,830.36-198,552,012.48-82,022,097.96

Finding the Fourth Proportional to 143,881,830.36, 198,552,012.48 and 82,022,097.96

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Solution

The fourth proportional to 143,881,830.36, 198,552,012.48 and 82,022,097.96 is: 113,187,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,881,830.36 : 198,552,012.48 = 82,022,097.96 : x
  2. Step 2: Convert to fraction form
    143,881,830.36/198,552,012.48 = 82,022,097.96/x
  3. Step 3: Cross multiply
    143,881,830.36x = 198,552,012.48 × 82,022,097.96
  4. Step 4: Simplify right side
    143,881,830.36x = 16,285,652,617,789,700
  5. Step 5: Solve for x
    x = 16,285,652,617,789,700/143,881,830.36
  6. Step 6: Final answer
    x = 113,187,694.21

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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.