Home / 129,286,255,341.06-178,420,452,656.22-74,353,471,260.33

Finding the Fourth Proportional to 129,286,255,341.06, 178,420,452,656.22 and 74,353,471,260.33

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Solution

The fourth proportional to 129,286,255,341.06, 178,420,452,656.22 and 74,353,471,260.33 is: 102,610,907,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,286,255,341.06 : 178,420,452,656.22 = 74,353,471,260.33 : x
  2. Step 2: Convert to fraction form
    129,286,255,341.06/178,420,452,656.22 = 74,353,471,260.33/x
  3. Step 3: Cross multiply
    129,286,255,341.06x = 178,420,452,656.22 × 74,353,471,260.33
  4. Step 4: Simplify right side
    129,286,255,341.06x = 13,266,179,998,829,324,009,472
  5. Step 5: Solve for x
    x = 13,266,179,998,829,324,009,472/129,286,255,341.06
  6. Step 6: Final answer
    x = 102,610,907,585.13

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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.