Home / 101,053,629.17-139,454,842.32-55,791,832.56

Finding the Fourth Proportional to 101,053,629.17, 139,454,842.32 and 55,791,832.56

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Solution

The fourth proportional to 101,053,629.17, 139,454,842.32 and 55,791,832.56 is: 76,993,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,053,629.17 : 139,454,842.32 = 55,791,832.56 : x
  2. Step 2: Convert to fraction form
    101,053,629.17/139,454,842.32 = 55,791,832.56/x
  3. Step 3: Cross multiply
    101,053,629.17x = 139,454,842.32 × 55,791,832.56
  4. Step 4: Simplify right side
    101,053,629.17x = 7,780,441,211,875,686
  5. Step 5: Solve for x
    x = 7,780,441,211,875,686/101,053,629.17
  6. Step 6: Final answer
    x = 76,993,189.42

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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.