Home / 200,410,277.80-300,615,416.70-155,004,658.60

Finding the Fourth Proportional to 200,410,277.80, 300,615,416.70 and 155,004,658.60

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Solution

The fourth proportional to 200,410,277.80, 300,615,416.70 and 155,004,658.60 is: 232,506,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,410,277.80 : 300,615,416.70 = 155,004,658.60 : x
  2. Step 2: Convert to fraction form
    200,410,277.80/300,615,416.70 = 155,004,658.60/x
  3. Step 3: Cross multiply
    200,410,277.80x = 300,615,416.70 × 155,004,658.60
  4. Step 4: Simplify right side
    200,410,277.80x = 46,596,790,035,480,232
  5. Step 5: Solve for x
    x = 46,596,790,035,480,232/200,410,277.80
  6. Step 6: Final answer
    x = 232,506,987.90

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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.