Home / 106,372,359.88-159,231,283.56-69,404,649.29

Finding the Fourth Proportional to 106,372,359.88, 159,231,283.56 and 69,404,649.29

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Solution

The fourth proportional to 106,372,359.88, 159,231,283.56 and 69,404,649.29 is: 103,893,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372,359.88 : 159,231,283.56 = 69,404,649.29 : x
  2. Step 2: Convert to fraction form
    106,372,359.88/159,231,283.56 = 69,404,649.29/x
  3. Step 3: Cross multiply
    106,372,359.88x = 159,231,283.56 × 69,404,649.29
  4. Step 4: Simplify right side
    106,372,359.88x = 11,051,391,391,478,344
  5. Step 5: Solve for x
    x = 11,051,391,391,478,344/106,372,359.88
  6. Step 6: Final answer
    x = 103,893,449.43

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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.