Home / 283,440,419.20-425,160,628.80-214,912,086.40

Finding the Fourth Proportional to 283,440,419.20, 425,160,628.80 and 214,912,086.40

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Solution

The fourth proportional to 283,440,419.20, 425,160,628.80 and 214,912,086.40 is: 322,368,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,440,419.20 : 425,160,628.80 = 214,912,086.40 : x
  2. Step 2: Convert to fraction form
    283,440,419.20/425,160,628.80 = 214,912,086.40/x
  3. Step 3: Cross multiply
    283,440,419.20x = 425,160,628.80 × 214,912,086.40
  4. Step 4: Simplify right side
    283,440,419.20x = 91,372,157,790,543,936
  5. Step 5: Solve for x
    x = 91,372,157,790,543,936/283,440,419.20
  6. Step 6: Final answer
    x = 322,368,129.60

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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.