Home / 253,984,202.28-381,014,160.36-90,208,199.52

Finding the Fourth Proportional to 253,984,202.28, 381,014,160.36 and 90,208,199.52

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Solution

The fourth proportional to 253,984,202.28, 381,014,160.36 and 90,208,199.52 is: 135,325,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,984,202.28 : 381,014,160.36 = 90,208,199.52 : x
  2. Step 2: Convert to fraction form
    253,984,202.28/381,014,160.36 = 90,208,199.52/x
  3. Step 3: Cross multiply
    253,984,202.28x = 381,014,160.36 × 90,208,199.52
  4. Step 4: Simplify right side
    253,984,202.28x = 34,370,601,397,700,156
  5. Step 5: Solve for x
    x = 34,370,601,397,700,156/253,984,202.28
  6. Step 6: Final answer
    x = 135,325,745.02

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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.