Home / 66,431,726.30-99,647,589.45-18,562,670.30

Finding the Fourth Proportional to 66,431,726.30, 99,647,589.45 and 18,562,670.30

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Solution

The fourth proportional to 66,431,726.30, 99,647,589.45 and 18,562,670.30 is: 27,844,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,726.30 : 99,647,589.45 = 18,562,670.30 : x
  2. Step 2: Convert to fraction form
    66,431,726.30/99,647,589.45 = 18,562,670.30/x
  3. Step 3: Cross multiply
    66,431,726.30x = 99,647,589.45 × 18,562,670.30
  4. Step 4: Simplify right side
    66,431,726.30x = 1,849,725,349,150,108.50
  5. Step 5: Solve for x
    x = 1,849,725,349,150,108.50/66,431,726.30
  6. Step 6: Final answer
    x = 27,844,005.45

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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.