Home / 70,110,517.55-105,165,634.97-65,844,080.28

Finding the Fourth Proportional to 70,110,517.55, 105,165,634.97 and 65,844,080.28

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Solution

The fourth proportional to 70,110,517.55, 105,165,634.97 and 65,844,080.28 is: 98,765,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110,517.55 : 105,165,634.97 = 65,844,080.28 : x
  2. Step 2: Convert to fraction form
    70,110,517.55/105,165,634.97 = 65,844,080.28/x
  3. Step 3: Cross multiply
    70,110,517.55x = 105,165,634.97 × 65,844,080.28
  4. Step 4: Simplify right side
    70,110,517.55x = 6,924,534,511,826,465
  5. Step 5: Solve for x
    x = 6,924,534,511,826,465/70,110,517.55
  6. Step 6: Final answer
    x = 98,765,987.68

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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.