Home / 70,109,959.68-96,749,958.60-39,170,361.60

Finding the Fourth Proportional to 70,109,959.68, 96,749,958.60 and 39,170,361.60

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Solution

The fourth proportional to 70,109,959.68, 96,749,958.60 and 39,170,361.60 is: 54,054,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,109,959.68 : 96,749,958.60 = 39,170,361.60 : x
  2. Step 2: Convert to fraction form
    70,109,959.68/96,749,958.60 = 39,170,361.60/x
  3. Step 3: Cross multiply
    70,109,959.68x = 96,749,958.60 × 39,170,361.60
  4. Step 4: Simplify right side
    70,109,959.68x = 3,789,730,863,147,029.50
  5. Step 5: Solve for x
    x = 3,789,730,863,147,029.50/70,109,959.68
  6. Step 6: Final answer
    x = 54,054,101.31

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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.