Home / 80,477,678-111,059,208.60-43,808,524.40

Finding the Fourth Proportional to 80,477,678, 111,059,208.60 and 43,808,524.40

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Solution

The fourth proportional to 80,477,678, 111,059,208.60 and 43,808,524.40 is: 60,455,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477,678 : 111,059,208.60 = 43,808,524.40 : x
  2. Step 2: Convert to fraction form
    80,477,678/111,059,208.60 = 43,808,524.40/x
  3. Step 3: Cross multiply
    80,477,678x = 111,059,208.60 × 43,808,524.40
  4. Step 4: Simplify right side
    80,477,678x = 4,865,340,049,797,789
  5. Step 5: Solve for x
    x = 4,865,340,049,797,789/80,477,678
  6. Step 6: Final answer
    x = 60,455,770.73

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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.