Home / 307,340,639.66-424,131,351.83-166,211,857.01

Finding the Fourth Proportional to 307,340,639.66, 424,131,351.83 and 166,211,857.01

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Solution

The fourth proportional to 307,340,639.66, 424,131,351.83 and 166,211,857.01 is: 229,373,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,340,639.66 : 424,131,351.83 = 166,211,857.01 : x
  2. Step 2: Convert to fraction form
    307,340,639.66/424,131,351.83 = 166,211,857.01/x
  3. Step 3: Cross multiply
    307,340,639.66x = 424,131,351.83 × 166,211,857.01
  4. Step 4: Simplify right side
    307,340,639.66x = 70,495,659,603,825,952
  5. Step 5: Solve for x
    x = 70,495,659,603,825,952/307,340,639.66
  6. Step 6: Final answer
    x = 229,373,049.01

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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.