Home / 54,435,697.60-81,653,546.40-40,998,769.60

Finding the Fourth Proportional to 54,435,697.60, 81,653,546.40 and 40,998,769.60

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Solution

The fourth proportional to 54,435,697.60, 81,653,546.40 and 40,998,769.60 is: 61,498,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,697.60 : 81,653,546.40 = 40,998,769.60 : x
  2. Step 2: Convert to fraction form
    54,435,697.60/81,653,546.40 = 40,998,769.60/x
  3. Step 3: Cross multiply
    54,435,697.60x = 81,653,546.40 × 40,998,769.60
  4. Step 4: Simplify right side
    54,435,697.60x = 3,347,694,935,876,510
  5. Step 5: Solve for x
    x = 3,347,694,935,876,510/54,435,697.60
  6. Step 6: Final answer
    x = 61,498,154.40

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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.