Home / 268,100,896.80-402,151,361.40-86,348,074.80

Finding the Fourth Proportional to 268,100,896.80, 402,151,361.40 and 86,348,074.80

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Solution

The fourth proportional to 268,100,896.80, 402,151,361.40 and 86,348,074.80 is: 129,522,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100,896.80 : 402,151,361.40 = 86,348,074.80 : x
  2. Step 2: Convert to fraction form
    268,100,896.80/402,151,361.40 = 86,348,074.80/x
  3. Step 3: Cross multiply
    268,100,896.80x = 402,151,361.40 × 86,348,074.80
  4. Step 4: Simplify right side
    268,100,896.80x = 34,724,995,835,089,028
  5. Step 5: Solve for x
    x = 34,724,995,835,089,028/268,100,896.80
  6. Step 6: Final answer
    x = 129,522,117.42

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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.