Home / 214,991,008,096.40-322,486,512,144.60-65,929,791,021.20

Finding the Fourth Proportional to 214,991,008,096.40, 322,486,512,144.60 and 65,929,791,021.20

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Solution

The fourth proportional to 214,991,008,096.40, 322,486,512,144.60 and 65,929,791,021.20 is: 98,894,686,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,991,008,096.40 : 322,486,512,144.60 = 65,929,791,021.20 : x
  2. Step 2: Convert to fraction form
    214,991,008,096.40/322,486,512,144.60 = 65,929,791,021.20/x
  3. Step 3: Cross multiply
    214,991,008,096.40x = 322,486,512,144.60 × 65,929,791,021.20
  4. Step 4: Simplify right side
    214,991,008,096.40x = 21,261,468,352,849,150,738,432
  5. Step 5: Solve for x
    x = 21,261,468,352,849,150,738,432/214,991,008,096.40
  6. Step 6: Final answer
    x = 98,894,686,531.80

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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.