Home / 67,286,698.96-100,928,600.12-18,763,261.12

Finding the Fourth Proportional to 67,286,698.96, 100,928,600.12 and 18,763,261.12

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Solution

The fourth proportional to 67,286,698.96, 100,928,600.12 and 18,763,261.12 is: 28,144,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286,698.96 : 100,928,600.12 = 18,763,261.12 : x
  2. Step 2: Convert to fraction form
    67,286,698.96/100,928,600.12 = 18,763,261.12/x
  3. Step 3: Cross multiply
    67,286,698.96x = 100,928,600.12 × 18,763,261.12
  4. Step 4: Simplify right side
    67,286,698.96x = 1,893,749,678,527,623.50
  5. Step 5: Solve for x
    x = 1,893,749,678,527,623.50/67,286,698.96
  6. Step 6: Final answer
    x = 28,144,487.81

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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.