Home / 147,089,548.80-202,968,556.20-90,565,318.80

Finding the Fourth Proportional to 147,089,548.80, 202,968,556.20 and 90,565,318.80

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Solution

The fourth proportional to 147,089,548.80, 202,968,556.20 and 90,565,318.80 is: 124,970,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,089,548.80 : 202,968,556.20 = 90,565,318.80 : x
  2. Step 2: Convert to fraction form
    147,089,548.80/202,968,556.20 = 90,565,318.80/x
  3. Step 3: Cross multiply
    147,089,548.80x = 202,968,556.20 × 90,565,318.80
  4. Step 4: Simplify right side
    147,089,548.80x = 18,381,911,998,628,716
  5. Step 5: Solve for x
    x = 18,381,911,998,628,716/147,089,548.80
  6. Step 6: Final answer
    x = 124,970,891.19

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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.