Home / 280,093,698.89-420,142,148.11-116,331,455.53

Finding the Fourth Proportional to 280,093,698.89, 420,142,148.11 and 116,331,455.53

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Solution

The fourth proportional to 280,093,698.89, 420,142,148.11 and 116,331,455.53 is: 174,497,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,093,698.89 : 420,142,148.11 = 116,331,455.53 : x
  2. Step 2: Convert to fraction form
    280,093,698.89/420,142,148.11 = 116,331,455.53/x
  3. Step 3: Cross multiply
    280,093,698.89x = 420,142,148.11 × 116,331,455.53
  4. Step 4: Simplify right side
    280,093,698.89x = 48,875,747,620,967,392
  5. Step 5: Solve for x
    x = 48,875,747,620,967,392/280,093,698.89
  6. Step 6: Final answer
    x = 174,497,847.74

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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.