Home / 276,505,455.66-381,580,719.39-152,743,538.22

Finding the Fourth Proportional to 276,505,455.66, 381,580,719.39 and 152,743,538.22

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Solution

The fourth proportional to 276,505,455.66, 381,580,719.39 and 152,743,538.22 is: 210,787,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,505,455.66 : 381,580,719.39 = 152,743,538.22 : x
  2. Step 2: Convert to fraction form
    276,505,455.66/381,580,719.39 = 152,743,538.22/x
  3. Step 3: Cross multiply
    276,505,455.66x = 381,580,719.39 × 152,743,538.22
  4. Step 4: Simplify right side
    276,505,455.66x = 58,283,989,196,161,560
  5. Step 5: Solve for x
    x = 58,283,989,196,161,560/276,505,455.66
  6. Step 6: Final answer
    x = 210,787,845.24

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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.