Home / 66,431,746.80-99,647,620.20-18,562,690.80

Finding the Fourth Proportional to 66,431,746.80, 99,647,620.20 and 18,562,690.80

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Solution

The fourth proportional to 66,431,746.80, 99,647,620.20 and 18,562,690.80 is: 27,844,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,746.80 : 99,647,620.20 = 18,562,690.80 : x
  2. Step 2: Convert to fraction form
    66,431,746.80/99,647,620.20 = 18,562,690.80/x
  3. Step 3: Cross multiply
    66,431,746.80x = 99,647,620.20 × 18,562,690.80
  4. Step 4: Simplify right side
    66,431,746.80x = 1,849,727,962,728,434.25
  5. Step 5: Solve for x
    x = 1,849,727,962,728,434.25/66,431,746.80
  6. Step 6: Final answer
    x = 27,844,036.20

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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.