Home / 81,674,097.60-122,511,146.40-73,596,194.40

Finding the Fourth Proportional to 81,674,097.60, 122,511,146.40 and 73,596,194.40

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Solution

The fourth proportional to 81,674,097.60, 122,511,146.40 and 73,596,194.40 is: 110,394,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,674,097.60 : 122,511,146.40 = 73,596,194.40 : x
  2. Step 2: Convert to fraction form
    81,674,097.60/122,511,146.40 = 73,596,194.40/x
  3. Step 3: Cross multiply
    81,674,097.60x = 122,511,146.40 × 73,596,194.40
  4. Step 4: Simplify right side
    81,674,097.60x = 9,016,354,146,621,262
  5. Step 5: Solve for x
    x = 9,016,354,146,621,262/81,674,097.60
  6. Step 6: Final answer
    x = 110,394,291.60

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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.