Home / 189,039,698.53-260,868,338.78-104,270,176.12

Finding the Fourth Proportional to 189,039,698.53, 260,868,338.78 and 104,270,176.12

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Solution

The fourth proportional to 189,039,698.53, 260,868,338.78 and 104,270,176.12 is: 143,889,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,039,698.53 : 260,868,338.78 = 104,270,176.12 : x
  2. Step 2: Convert to fraction form
    189,039,698.53/260,868,338.78 = 104,270,176.12/x
  3. Step 3: Cross multiply
    189,039,698.53x = 260,868,338.78 × 104,270,176.12
  4. Step 4: Simplify right side
    189,039,698.53x = 27,200,787,627,548,908
  5. Step 5: Solve for x
    x = 27,200,787,627,548,908/189,039,698.53
  6. Step 6: Final answer
    x = 143,889,288.01

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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.