Home / 189,576,170.99-261,616,083.38-105,945,697.40

Finding the Fourth Proportional to 189,576,170.99, 261,616,083.38 and 105,945,697.40

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Solution

The fourth proportional to 189,576,170.99, 261,616,083.38 and 105,945,697.40 is: 146,205,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,576,170.99 : 261,616,083.38 = 105,945,697.40 : x
  2. Step 2: Convert to fraction form
    189,576,170.99/261,616,083.38 = 105,945,697.40/x
  3. Step 3: Cross multiply
    189,576,170.99x = 261,616,083.38 × 105,945,697.40
  4. Step 4: Simplify right side
    189,576,170.99x = 27,717,098,405,404,688
  5. Step 5: Solve for x
    x = 27,717,098,405,404,688/189,576,170.99
  6. Step 6: Final answer
    x = 146,205,603.06

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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.