Home / 108,874,426.80-163,311,640.20-100,560,327.60

Finding the Fourth Proportional to 108,874,426.80, 163,311,640.20 and 100,560,327.60

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Solution

The fourth proportional to 108,874,426.80, 163,311,640.20 and 100,560,327.60 is: 150,840,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,426.80 : 163,311,640.20 = 100,560,327.60 : x
  2. Step 2: Convert to fraction form
    108,874,426.80/163,311,640.20 = 100,560,327.60/x
  3. Step 3: Cross multiply
    108,874,426.80x = 163,311,640.20 × 100,560,327.60
  4. Step 4: Simplify right side
    108,874,426.80x = 16,422,672,039,405,328
  5. Step 5: Solve for x
    x = 16,422,672,039,405,328/108,874,426.80
  6. Step 6: Final answer
    x = 150,840,491.40

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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.