Home / 56,454,012.24-77,901,853.32-31,670,809.68

Finding the Fourth Proportional to 56,454,012.24, 77,901,853.32 and 31,670,809.68

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Solution

The fourth proportional to 56,454,012.24, 77,901,853.32 and 31,670,809.68 is: 43,703,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,454,012.24 : 77,901,853.32 = 31,670,809.68 : x
  2. Step 2: Convert to fraction form
    56,454,012.24/77,901,853.32 = 31,670,809.68/x
  3. Step 3: Cross multiply
    56,454,012.24x = 77,901,853.32 × 31,670,809.68
  4. Step 4: Simplify right side
    56,454,012.24x = 2,467,214,770,216,996
  5. Step 5: Solve for x
    x = 2,467,214,770,216,996/56,454,012.24
  6. Step 6: Final answer
    x = 43,703,089.87

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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.