Home / 200,232,003.60-300,348,005.40-79,047,709.20

Finding the Fourth Proportional to 200,232,003.60, 300,348,005.40 and 79,047,709.20

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Solution

The fourth proportional to 200,232,003.60, 300,348,005.40 and 79,047,709.20 is: 118,571,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,232,003.60 : 300,348,005.40 = 79,047,709.20 : x
  2. Step 2: Convert to fraction form
    200,232,003.60/300,348,005.40 = 79,047,709.20/x
  3. Step 3: Cross multiply
    200,232,003.60x = 300,348,005.40 × 79,047,709.20
  4. Step 4: Simplify right side
    200,232,003.60x = 23,741,821,789,659,228
  5. Step 5: Solve for x
    x = 23,741,821,789,659,228/200,232,003.60
  6. Step 6: Final answer
    x = 118,571,563.80

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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.