Home / 318,166,852.05-477,250,861.28-99,833,961.87

Finding the Fourth Proportional to 318,166,852.05, 477,250,861.28 and 99,833,961.87

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Solution

The fourth proportional to 318,166,852.05, 477,250,861.28 and 99,833,961.87 is: 149,751,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,166,852.05 : 477,250,861.28 = 99,833,961.87 : x
  2. Step 2: Convert to fraction form
    318,166,852.05/477,250,861.28 = 99,833,961.87/x
  3. Step 3: Cross multiply
    318,166,852.05x = 477,250,861.28 × 99,833,961.87
  4. Step 4: Simplify right side
    318,166,852.05x = 47,645,844,286,953,008
  5. Step 5: Solve for x
    x = 47,645,844,286,953,008/318,166,852.05
  6. Step 6: Final answer
    x = 149,751,125.80

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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.