Home / 74,015,355.96-102,151,880.64-42,647,399.64

Finding the Fourth Proportional to 74,015,355.96, 102,151,880.64 and 42,647,399.64

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Solution

The fourth proportional to 74,015,355.96, 102,151,880.64 and 42,647,399.64 is: 58,859,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015,355.96 : 102,151,880.64 = 42,647,399.64 : x
  2. Step 2: Convert to fraction form
    74,015,355.96/102,151,880.64 = 42,647,399.64/x
  3. Step 3: Cross multiply
    74,015,355.96x = 102,151,880.64 × 42,647,399.64
  4. Step 4: Simplify right side
    74,015,355.96x = 4,356,512,077,631,659
  5. Step 5: Solve for x
    x = 4,356,512,077,631,659/74,015,355.96
  6. Step 6: Final answer
    x = 58,859,570.71

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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.