Home / 66,425,027.80-99,630,814.38-17,907,786.02

Finding the Fourth Proportional to 66,425,027.80, 99,630,814.38 and 17,907,786.02

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Solution

The fourth proportional to 66,425,027.80, 99,630,814.38 and 17,907,786.02 is: 26,859,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425,027.80 : 99,630,814.38 = 17,907,786.02 : x
  2. Step 2: Convert to fraction form
    66,425,027.80/99,630,814.38 = 17,907,786.02/x
  3. Step 3: Cross multiply
    66,425,027.80x = 99,630,814.38 × 17,907,786.02
  4. Step 4: Simplify right side
    66,425,027.80x = 1,784,167,304,915,378.75
  5. Step 5: Solve for x
    x = 1,784,167,304,915,378.75/66,425,027.80
  6. Step 6: Final answer
    x = 26,859,865.39

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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.