Home / 66,425,025.80-99,630,811.38-17,907,784.02

Finding the Fourth Proportional to 66,425,025.80, 99,630,811.38 and 17,907,784.02

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Solution

The fourth proportional to 66,425,025.80, 99,630,811.38 and 17,907,784.02 is: 26,859,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425,025.80 : 99,630,811.38 = 17,907,784.02 : x
  2. Step 2: Convert to fraction form
    66,425,025.80/99,630,811.38 = 17,907,784.02/x
  3. Step 3: Cross multiply
    66,425,025.80x = 99,630,811.38 × 17,907,784.02
  4. Step 4: Simplify right side
    66,425,025.80x = 1,784,167,051,930,398
  5. Step 5: Solve for x
    x = 1,784,167,051,930,398/66,425,025.80
  6. Step 6: Final answer
    x = 26,859,862.39

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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.