Home / 243,603,163.56-365,258,819.46-77,534,935.12

Finding the Fourth Proportional to 243,603,163.56, 365,258,819.46 and 77,534,935.12

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Solution

The fourth proportional to 243,603,163.56, 365,258,819.46 and 77,534,935.12 is: 116,255,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,603,163.56 : 365,258,819.46 = 77,534,935.12 : x
  2. Step 2: Convert to fraction form
    243,603,163.56/365,258,819.46 = 77,534,935.12/x
  3. Step 3: Cross multiply
    243,603,163.56x = 365,258,819.46 × 77,534,935.12
  4. Step 4: Simplify right side
    243,603,163.56x = 28,320,318,869,149,700
  5. Step 5: Solve for x
    x = 28,320,318,869,149,700/243,603,163.56
  6. Step 6: Final answer
    x = 116,255,956.84

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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.