Home / 253,984,183.89-381,014,132.81-90,208,181.13

Finding the Fourth Proportional to 253,984,183.89, 381,014,132.81 and 90,208,181.13

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Solution

The fourth proportional to 253,984,183.89, 381,014,132.81 and 90,208,181.13 is: 135,325,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,984,183.89 : 381,014,132.81 = 90,208,181.13 : x
  2. Step 2: Convert to fraction form
    253,984,183.89/381,014,132.81 = 90,208,181.13/x
  3. Step 3: Cross multiply
    253,984,183.89x = 381,014,132.81 × 90,208,181.13
  4. Step 4: Simplify right side
    253,984,183.89x = 34,370,591,905,163,312
  5. Step 5: Solve for x
    x = 34,370,591,905,163,312/253,984,183.89
  6. Step 6: Final answer
    x = 135,325,717.45

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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.