Home / 69,271,503.27-103,890,458.74-28,859,942.31

Finding the Fourth Proportional to 69,271,503.27, 103,890,458.74 and 28,859,942.31

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Solution

The fourth proportional to 69,271,503.27, 103,890,458.74 and 28,859,942.31 is: 43,282,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,271,503.27 : 103,890,458.74 = 28,859,942.31 : x
  2. Step 2: Convert to fraction form
    69,271,503.27/103,890,458.74 = 28,859,942.31/x
  3. Step 3: Cross multiply
    69,271,503.27x = 103,890,458.74 × 28,859,942.31
  4. Step 4: Simplify right side
    69,271,503.27x = 2,998,272,645,795,835
  5. Step 5: Solve for x
    x = 2,998,272,645,795,835/69,271,503.27
  6. Step 6: Final answer
    x = 43,282,915.83

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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.