Home / 168,161,855.40-252,242,783.10-140,952,076.20

Finding the Fourth Proportional to 168,161,855.40, 252,242,783.10 and 140,952,076.20

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Solution

The fourth proportional to 168,161,855.40, 252,242,783.10 and 140,952,076.20 is: 211,428,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,161,855.40 : 252,242,783.10 = 140,952,076.20 : x
  2. Step 2: Convert to fraction form
    168,161,855.40/252,242,783.10 = 140,952,076.20/x
  3. Step 3: Cross multiply
    168,161,855.40x = 252,242,783.10 × 140,952,076.20
  4. Step 4: Simplify right side
    168,161,855.40x = 35,554,143,984,411,268
  5. Step 5: Solve for x
    x = 35,554,143,984,411,268/168,161,855.40
  6. Step 6: Final answer
    x = 211,428,114.30

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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.