Home / 199,084,345.80-298,561,936.86-76,256,127.24

Finding the Fourth Proportional to 199,084,345.80, 298,561,936.86 and 76,256,127.24

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Solution

The fourth proportional to 199,084,345.80, 298,561,936.86 and 76,256,127.24 is: 114,359,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,084,345.80 : 298,561,936.86 = 76,256,127.24 : x
  2. Step 2: Convert to fraction form
    199,084,345.80/298,561,936.86 = 76,256,127.24/x
  3. Step 3: Cross multiply
    199,084,345.80x = 298,561,936.86 × 76,256,127.24
  4. Step 4: Simplify right side
    199,084,345.80x = 22,767,177,046,217,004
  5. Step 5: Solve for x
    x = 22,767,177,046,217,004/199,084,345.80
  6. Step 6: Final answer
    x = 114,359,453.80

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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.