Home / 279,936,704.10-419,905,056.15-98,118,272.10

Finding the Fourth Proportional to 279,936,704.10, 419,905,056.15 and 98,118,272.10

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Solution

The fourth proportional to 279,936,704.10, 419,905,056.15 and 98,118,272.10 is: 147,177,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,704.10 : 419,905,056.15 = 98,118,272.10 : x
  2. Step 2: Convert to fraction form
    279,936,704.10/419,905,056.15 = 98,118,272.10/x
  3. Step 3: Cross multiply
    279,936,704.10x = 419,905,056.15 × 98,118,272.10
  4. Step 4: Simplify right side
    279,936,704.10x = 41,200,358,555,491,472
  5. Step 5: Solve for x
    x = 41,200,358,555,491,472/279,936,704.10
  6. Step 6: Final answer
    x = 147,177,408.15

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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.