Finding the Fourth Proportional to 159,599,195.96, 220,246,790.95 and 86,260,337.96
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Solution
The fourth proportional to 159,599,195.96, 220,246,790.95 and 86,260,337.96 is: 119,039,212.62
Step by Step Solution
- Step 1: Write the proportion equation
159,599,195.96 : 220,246,790.95 = 86,260,337.96 : x - Step 2: Convert to fraction form
159,599,195.96/220,246,790.95 = 86,260,337.96/x - Step 3: Cross multiply
159,599,195.96x = 220,246,790.95 × 86,260,337.96 - Step 4: Simplify right side
159,599,195.96x = 18,998,562,621,521,164 - Step 5: Solve for x
x = 18,998,562,621,521,164/159,599,195.96 - Step 6: Final answer
x = 119,039,212.62
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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.