Home / 67,040,999.82-100,507,256.73-20,959,160.22

Finding the Fourth Proportional to 67,040,999.82, 100,507,256.73 and 20,959,160.22

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Solution

The fourth proportional to 67,040,999.82, 100,507,256.73 and 20,959,160.22 is: 31,421,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040,999.82 : 100,507,256.73 = 20,959,160.22 : x
  2. Step 2: Convert to fraction form
    67,040,999.82/100,507,256.73 = 20,959,160.22/x
  3. Step 3: Cross multiply
    67,040,999.82x = 100,507,256.73 × 20,959,160.22
  4. Step 4: Simplify right side
    67,040,999.82x = 2,106,547,697,076,743.25
  5. Step 5: Solve for x
    x = 2,106,547,697,076,743.25/67,040,999.82
  6. Step 6: Final answer
    x = 31,421,782.23

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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.