Home / 186,940,323.72-280,159,834.44-145,491,249.36

Finding the Fourth Proportional to 186,940,323.72, 280,159,834.44 and 145,491,249.36

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Solution

The fourth proportional to 186,940,323.72, 280,159,834.44 and 145,491,249.36 is: 218,041,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,323.72 : 280,159,834.44 = 145,491,249.36 : x
  2. Step 2: Convert to fraction form
    186,940,323.72/280,159,834.44 = 145,491,249.36/x
  3. Step 3: Cross multiply
    186,940,323.72x = 280,159,834.44 × 145,491,249.36
  4. Step 4: Simplify right side
    186,940,323.72x = 40,760,804,333,166,360
  5. Step 5: Solve for x
    x = 40,760,804,333,166,360/186,940,323.72
  6. Step 6: Final answer
    x = 218,041,798.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.