Home / 100,110,880-138,153,014.40-54,325,792

Finding the Fourth Proportional to 100,110,880, 138,153,014.40 and 54,325,792

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Solution

The fourth proportional to 100,110,880, 138,153,014.40 and 54,325,792 is: 74,969,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,110,880 : 138,153,014.40 = 54,325,792 : x
  2. Step 2: Convert to fraction form
    100,110,880/138,153,014.40 = 54,325,792/x
  3. Step 3: Cross multiply
    100,110,880x = 138,153,014.40 × 54,325,792
  4. Step 4: Simplify right side
    100,110,880x = 7,505,271,924,467,405
  5. Step 5: Solve for x
    x = 7,505,271,924,467,405/100,110,880
  6. Step 6: Final answer
    x = 74,969,592.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.