Home / 48,392,855.80-72,589,283.70-21,518,999.80

Finding the Fourth Proportional to 48,392,855.80, 72,589,283.70 and 21,518,999.80

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Solution

The fourth proportional to 48,392,855.80, 72,589,283.70 and 21,518,999.80 is: 32,278,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,392,855.80 : 72,589,283.70 = 21,518,999.80 : x
  2. Step 2: Convert to fraction form
    48,392,855.80/72,589,283.70 = 21,518,999.80/x
  3. Step 3: Cross multiply
    48,392,855.80x = 72,589,283.70 × 21,518,999.80
  4. Step 4: Simplify right side
    48,392,855.80x = 1,562,048,781,422,443.50
  5. Step 5: Solve for x
    x = 1,562,048,781,422,443.50/48,392,855.80
  6. Step 6: Final answer
    x = 32,278,499.70

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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.