Home / 77,610,195.97-107,075,022.46-49,748,268.86

Finding the Fourth Proportional to 77,610,195.97, 107,075,022.46 and 49,748,268.86

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Solution

The fourth proportional to 77,610,195.97, 107,075,022.46 and 49,748,268.86 is: 68,635,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610,195.97 : 107,075,022.46 = 49,748,268.86 : x
  2. Step 2: Convert to fraction form
    77,610,195.97/107,075,022.46 = 49,748,268.86/x
  3. Step 3: Cross multiply
    77,610,195.97x = 107,075,022.46 × 49,748,268.86
  4. Step 4: Simplify right side
    77,610,195.97x = 5,326,797,005,272,404
  5. Step 5: Solve for x
    x = 5,326,797,005,272,404/77,610,195.97
  6. Step 6: Final answer
    x = 68,635,273.22

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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.