Home / 126,356,842-189,511,293.48-61,595,514.64

Finding the Fourth Proportional to 126,356,842, 189,511,293.48 and 61,595,514.64

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Solution

The fourth proportional to 126,356,842, 189,511,293.48 and 61,595,514.64 is: 92,381,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,356,842 : 189,511,293.48 = 61,595,514.64 : x
  2. Step 2: Convert to fraction form
    126,356,842/189,511,293.48 = 61,595,514.64/x
  3. Step 3: Cross multiply
    126,356,842x = 189,511,293.48 × 61,595,514.64
  4. Step 4: Simplify right side
    126,356,842x = 11,673,045,651,992,676
  5. Step 5: Solve for x
    x = 11,673,045,651,992,676/126,356,842
  6. Step 6: Final answer
    x = 92,381,587.47

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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.