Home / 129,286,255,342.06-178,420,452,657.60-74,353,471,261.33

Finding the Fourth Proportional to 129,286,255,342.06, 178,420,452,657.60 and 74,353,471,261.33

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Solution

The fourth proportional to 129,286,255,342.06, 178,420,452,657.60 and 74,353,471,261.33 is: 102,610,907,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,286,255,342.06 : 178,420,452,657.60 = 74,353,471,261.33 : x
  2. Step 2: Convert to fraction form
    129,286,255,342.06/178,420,452,657.60 = 74,353,471,261.33/x
  3. Step 3: Cross multiply
    129,286,255,342.06x = 178,420,452,657.60 × 74,353,471,261.33
  4. Step 4: Simplify right side
    129,286,255,342.06x = 13,266,179,999,110,352,863,232
  5. Step 5: Solve for x
    x = 13,266,179,999,110,352,863,232/129,286,255,342.06
  6. Step 6: Final answer
    x = 102,610,907,586.51

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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.