Home / 188,987,428.38-260,796,940.11-104,214,501.66

Finding the Fourth Proportional to 188,987,428.38, 260,796,940.11 and 104,214,501.66

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Solution

The fourth proportional to 188,987,428.38, 260,796,940.11 and 104,214,501.66 is: 143,812,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,987,428.38 : 260,796,940.11 = 104,214,501.66 : x
  2. Step 2: Convert to fraction form
    188,987,428.38/260,796,940.11 = 104,214,501.66/x
  3. Step 3: Cross multiply
    188,987,428.38x = 260,796,940.11 × 104,214,501.66
  4. Step 4: Simplify right side
    188,987,428.38x = 27,178,823,148,016,516
  5. Step 5: Solve for x
    x = 27,178,823,148,016,516/188,987,428.38
  6. Step 6: Final answer
    x = 143,812,863.01

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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.