Home / 74,276,883.60-111,415,325.40-55,145,007.60

Finding the Fourth Proportional to 74,276,883.60, 111,415,325.40 and 55,145,007.60

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Solution

The fourth proportional to 74,276,883.60, 111,415,325.40 and 55,145,007.60 is: 82,717,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276,883.60 : 111,415,325.40 = 55,145,007.60 : x
  2. Step 2: Convert to fraction form
    74,276,883.60/111,415,325.40 = 55,145,007.60/x
  3. Step 3: Cross multiply
    74,276,883.60x = 111,415,325.40 × 55,145,007.60
  4. Step 4: Simplify right side
    74,276,883.60x = 6,143,998,965,939,474
  5. Step 5: Solve for x
    x = 6,143,998,965,939,474/74,276,883.60
  6. Step 6: Final answer
    x = 82,717,511.40

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Similar ratio
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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.