Home / 220,466,685.21-304,089,128.26-145,088,997.17

Finding the Fourth Proportional to 220,466,685.21, 304,089,128.26 and 145,088,997.17

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Solution

The fourth proportional to 220,466,685.21, 304,089,128.26 and 145,088,997.17 is: 200,120,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,466,685.21 : 304,089,128.26 = 145,088,997.17 : x
  2. Step 2: Convert to fraction form
    220,466,685.21/304,089,128.26 = 145,088,997.17/x
  3. Step 3: Cross multiply
    220,466,685.21x = 304,089,128.26 × 145,088,997.17
  4. Step 4: Simplify right side
    220,466,685.21x = 44,119,986,669,542,904
  5. Step 5: Solve for x
    x = 44,119,986,669,542,904/220,466,685.21
  6. Step 6: Final answer
    x = 200,120,878.25

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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.