Home / 200,410,288.80-300,615,433.20-155,004,669.60

Finding the Fourth Proportional to 200,410,288.80, 300,615,433.20 and 155,004,669.60

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Solution

The fourth proportional to 200,410,288.80, 300,615,433.20 and 155,004,669.60 is: 232,507,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,410,288.80 : 300,615,433.20 = 155,004,669.60 : x
  2. Step 2: Convert to fraction form
    200,410,288.80/300,615,433.20 = 155,004,669.60/x
  3. Step 3: Cross multiply
    200,410,288.80x = 300,615,433.20 × 155,004,669.60
  4. Step 4: Simplify right side
    200,410,288.80x = 46,596,795,899,826,864
  5. Step 5: Solve for x
    x = 46,596,795,899,826,864/200,410,288.80
  6. Step 6: Final answer
    x = 232,507,004.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.