Home / 108,809,266.80-163,213,900.20-28,030,234.80

Finding the Fourth Proportional to 108,809,266.80, 163,213,900.20 and 28,030,234.80

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Solution

The fourth proportional to 108,809,266.80, 163,213,900.20 and 28,030,234.80 is: 42,045,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,809,266.80 : 163,213,900.20 = 28,030,234.80 : x
  2. Step 2: Convert to fraction form
    108,809,266.80/163,213,900.20 = 28,030,234.80/x
  3. Step 3: Cross multiply
    108,809,266.80x = 163,213,900.20 × 28,030,234.80
  4. Step 4: Simplify right side
    108,809,266.80x = 4,574,923,945,229,767
  5. Step 5: Solve for x
    x = 4,574,923,945,229,767/108,809,266.80
  6. Step 6: Final answer
    x = 42,045,352.20

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Double scale
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Similar ratio
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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.