Home / 292,477,158.72-402,940,133.01-204,231,380.67

Finding the Fourth Proportional to 292,477,158.72, 402,940,133.01 and 204,231,380.67

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Solution

The fourth proportional to 292,477,158.72, 402,940,133.01 and 204,231,380.67 is: 281,365,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,477,158.72 : 402,940,133.01 = 204,231,380.67 : x
  2. Step 2: Convert to fraction form
    292,477,158.72/402,940,133.01 = 204,231,380.67/x
  3. Step 3: Cross multiply
    292,477,158.72x = 402,940,133.01 × 204,231,380.67
  4. Step 4: Simplify right side
    292,477,158.72x = 82,293,019,691,985,728
  5. Step 5: Solve for x
    x = 82,293,019,691,985,728/292,477,158.72
  6. Step 6: Final answer
    x = 281,365,628.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.