Home / 110,008,329,544.80-165,012,494,317.20-74,443,128,654.60

Finding the Fourth Proportional to 110,008,329,544.80, 165,012,494,317.20 and 74,443,128,654.60

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Solution

The fourth proportional to 110,008,329,544.80, 165,012,494,317.20 and 74,443,128,654.60 is: 111,664,692,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008,329,544.80 : 165,012,494,317.20 = 74,443,128,654.60 : x
  2. Step 2: Convert to fraction form
    110,008,329,544.80/165,012,494,317.20 = 74,443,128,654.60/x
  3. Step 3: Cross multiply
    110,008,329,544.80x = 165,012,494,317.20 × 74,443,128,654.60
  4. Step 4: Simplify right side
    110,008,329,544.80x = 12,284,046,344,071,772,372,992
  5. Step 5: Solve for x
    x = 12,284,046,344,071,772,372,992/110,008,329,544.80
  6. Step 6: Final answer
    x = 111,664,692,981.90

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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.