Home / 66,425,029.39-99,630,816.76-17,907,787.60

Finding the Fourth Proportional to 66,425,029.39, 99,630,816.76 and 17,907,787.60

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Solution

The fourth proportional to 66,425,029.39, 99,630,816.76 and 17,907,787.60 is: 26,859,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425,029.39 : 99,630,816.76 = 17,907,787.60 : x
  2. Step 2: Convert to fraction form
    66,425,029.39/99,630,816.76 = 17,907,787.60/x
  3. Step 3: Cross multiply
    66,425,029.39x = 99,630,816.76 × 17,907,787.60
  4. Step 4: Simplify right side
    66,425,029.39x = 1,784,167,504,863,061.25
  5. Step 5: Solve for x
    x = 1,784,167,504,863,061.25/66,425,029.39
  6. Step 6: Final answer
    x = 26,859,867.75

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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.