Home / 55,011,643.80-82,517,465.70-16,668,175.65

Finding the Fourth Proportional to 55,011,643.80, 82,517,465.70 and 16,668,175.65

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Solution

The fourth proportional to 55,011,643.80, 82,517,465.70 and 16,668,175.65 is: 25,002,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,011,643.80 : 82,517,465.70 = 16,668,175.65 : x
  2. Step 2: Convert to fraction form
    55,011,643.80/82,517,465.70 = 16,668,175.65/x
  3. Step 3: Cross multiply
    55,011,643.80x = 82,517,465.70 × 16,668,175.65
  4. Step 4: Simplify right side
    55,011,643.80x = 1,375,415,612,480,450.25
  5. Step 5: Solve for x
    x = 1,375,415,612,480,450.25/55,011,643.80
  6. Step 6: Final answer
    x = 25,002,263.48

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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.