Home / 108,714,771.40-163,072,157.10-100,400,672.20

Finding the Fourth Proportional to 108,714,771.40, 163,072,157.10 and 100,400,672.20

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Solution

The fourth proportional to 108,714,771.40, 163,072,157.10 and 100,400,672.20 is: 150,601,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,714,771.40 : 163,072,157.10 = 100,400,672.20 : x
  2. Step 2: Convert to fraction form
    108,714,771.40/163,072,157.10 = 100,400,672.20/x
  3. Step 3: Cross multiply
    108,714,771.40x = 163,072,157.10 × 100,400,672.20
  4. Step 4: Simplify right side
    108,714,771.40x = 16,372,554,189,944,002
  5. Step 5: Solve for x
    x = 16,372,554,189,944,002/108,714,771.40
  6. Step 6: Final answer
    x = 150,601,008.30

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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.