Home / 168,309,360,424.43-232,267,042,609.63-91,147,799,149.60

Finding the Fourth Proportional to 168,309,360,424.43, 232,267,042,609.63 and 91,147,799,149.60

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Solution

The fourth proportional to 168,309,360,424.43, 232,267,042,609.63 and 91,147,799,149.60 is: 125,784,030,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309,360,424.43 : 232,267,042,609.63 = 91,147,799,149.60 : x
  2. Step 2: Convert to fraction form
    168,309,360,424.43/232,267,042,609.63 = 91,147,799,149.60/x
  3. Step 3: Cross multiply
    168,309,360,424.43x = 232,267,042,609.63 × 91,147,799,149.60
  4. Step 4: Simplify right side
    168,309,360,424.43x = 21,170,629,748,852,978,089,984
  5. Step 5: Solve for x
    x = 21,170,629,748,852,978,089,984/168,309,360,424.43
  6. Step 6: Final answer
    x = 125,784,030,641.35

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1.5x scale

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.