Home / 188,987,429.88-260,796,942.18-104,214,503.16

Finding the Fourth Proportional to 188,987,429.88, 260,796,942.18 and 104,214,503.16

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Solution

The fourth proportional to 188,987,429.88, 260,796,942.18 and 104,214,503.16 is: 143,812,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,987,429.88 : 260,796,942.18 = 104,214,503.16 : x
  2. Step 2: Convert to fraction form
    188,987,429.88/260,796,942.18 = 104,214,503.16/x
  3. Step 3: Cross multiply
    188,987,429.88x = 260,796,942.18 × 104,214,503.16
  4. Step 4: Simplify right side
    188,987,429.88x = 27,178,823,754,935,948
  5. Step 5: Solve for x
    x = 27,178,823,754,935,948/188,987,429.88
  6. Step 6: Final answer
    x = 143,812,865.08

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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.