Home / 80,476,045.80-111,050,611.38-45,668,736.12

Finding the Fourth Proportional to 80,476,045.80, 111,050,611.38 and 45,668,736.12

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Solution

The fourth proportional to 80,476,045.80, 111,050,611.38 and 45,668,736.12 is: 63,019,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476,045.80 : 111,050,611.38 = 45,668,736.12 : x
  2. Step 2: Convert to fraction form
    80,476,045.80/111,050,611.38 = 45,668,736.12/x
  3. Step 3: Cross multiply
    80,476,045.80x = 111,050,611.38 × 45,668,736.12
  4. Step 4: Simplify right side
    80,476,045.80x = 5,071,541,067,077,889
  5. Step 5: Solve for x
    x = 5,071,541,067,077,889/80,476,045.80
  6. Step 6: Final answer
    x = 63,019,262.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.