Home / 200,236,851.60-300,355,277.40-186,206,809.20

Finding the Fourth Proportional to 200,236,851.60, 300,355,277.40 and 186,206,809.20

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Solution

The fourth proportional to 200,236,851.60, 300,355,277.40 and 186,206,809.20 is: 279,310,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,236,851.60 : 300,355,277.40 = 186,206,809.20 : x
  2. Step 2: Convert to fraction form
    200,236,851.60/300,355,277.40 = 186,206,809.20/x
  3. Step 3: Cross multiply
    200,236,851.60x = 300,355,277.40 × 186,206,809.20
  4. Step 4: Simplify right side
    200,236,851.60x = 55,928,197,831,034,864
  5. Step 5: Solve for x
    x = 55,928,197,831,034,864/200,236,851.60
  6. Step 6: Final answer
    x = 279,310,213.80

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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.