Home / 232,036,833,414.78-320,210,845,511.22-129,151,745,124.12

Finding the Fourth Proportional to 232,036,833,414.78, 320,210,845,511.22 and 129,151,745,124.12

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Solution

The fourth proportional to 232,036,833,414.78, 320,210,845,511.22 and 129,151,745,124.12 is: 178,229,416,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,036,833,414.78 : 320,210,845,511.22 = 129,151,745,124.12 : x
  2. Step 2: Convert to fraction form
    232,036,833,414.78/320,210,845,511.22 = 129,151,745,124.12/x
  3. Step 3: Cross multiply
    232,036,833,414.78x = 320,210,845,511.22 × 129,151,745,124.12
  4. Step 4: Simplify right side
    232,036,833,414.78x = 41,355,789,505,444,047,749,120
  5. Step 5: Solve for x
    x = 41,355,789,505,444,047,749,120/232,036,833,414.78
  6. Step 6: Final answer
    x = 178,229,416,842.27

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1.5x scale

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.