Home / 67,394,289.63-101,091,431.21-18,879,326.67

Finding the Fourth Proportional to 67,394,289.63, 101,091,431.21 and 18,879,326.67

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Solution

The fourth proportional to 67,394,289.63, 101,091,431.21 and 18,879,326.67 is: 28,318,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394,289.63 : 101,091,431.21 = 18,879,326.67 : x
  2. Step 2: Convert to fraction form
    67,394,289.63/101,091,431.21 = 18,879,326.67/x
  3. Step 3: Cross multiply
    67,394,289.63x = 101,091,431.21 × 18,879,326.67
  4. Step 4: Simplify right side
    67,394,289.63x = 1,908,538,153,257,027
  5. Step 5: Solve for x
    x = 1,908,538,153,257,027/67,394,289.63
  6. Step 6: Final answer
    x = 28,318,989.10

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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.