Home / 74,235,104.06-111,220,911.21-31,009,180.28

Finding the Fourth Proportional to 74,235,104.06, 111,220,911.21 and 31,009,180.28

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Solution

The fourth proportional to 74,235,104.06, 111,220,911.21 and 31,009,180.28 is: 46,458,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,235,104.06 : 111,220,911.21 = 31,009,180.28 : x
  2. Step 2: Convert to fraction form
    74,235,104.06/111,220,911.21 = 31,009,180.28/x
  3. Step 3: Cross multiply
    74,235,104.06x = 111,220,911.21 × 31,009,180.28
  4. Step 4: Simplify right side
    74,235,104.06x = 3,448,869,286,616,763
  5. Step 5: Solve for x
    x = 3,448,869,286,616,763/74,235,104.06
  6. Step 6: Final answer
    x = 46,458,738.49

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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.