Finding the Fourth Proportional to 159,599,195.09, 220,246,789.74 and 86,260,337.09
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Solution
The fourth proportional to 159,599,195.09, 220,246,789.74 and 86,260,337.09 is: 119,039,211.41
Step by Step Solution
- Step 1: Write the proportion equation
159,599,195.09 : 220,246,789.74 = 86,260,337.09 : x - Step 2: Convert to fraction form
159,599,195.09/220,246,789.74 = 86,260,337.09/x - Step 3: Cross multiply
159,599,195.09x = 220,246,789.74 × 86,260,337.09 - Step 4: Simplify right side
159,599,195.09x = 18,998,562,324,538,044 - Step 5: Solve for x
x = 18,998,562,324,538,044/159,599,195.09 - Step 6: Final answer
x = 119,039,211.41
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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.