Home / 77,443,150.07-106,867,490.33-42,629,040.65

Finding the Fourth Proportional to 77,443,150.07, 106,867,490.33 and 42,629,040.65

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Solution

The fourth proportional to 77,443,150.07, 106,867,490.33 and 42,629,040.65 is: 58,825,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443,150.07 : 106,867,490.33 = 42,629,040.65 : x
  2. Step 2: Convert to fraction form
    77,443,150.07/106,867,490.33 = 42,629,040.65/x
  3. Step 3: Cross multiply
    77,443,150.07x = 106,867,490.33 × 42,629,040.65
  4. Step 4: Simplify right side
    77,443,150.07x = 4,555,658,589,814,793
  5. Step 5: Solve for x
    x = 4,555,658,589,814,793/77,443,150.07
  6. Step 6: Final answer
    x = 58,825,843.03

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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.