Finding the Fourth Proportional to 84,248,217.70, 126,386,323.35 and 33,131,904.10
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Solution
The fourth proportional to 84,248,217.70, 126,386,323.35 and 33,131,904.10 is: 49,703,360.61
Step by Step Solution
- Step 1: Write the proportion equation
84,248,217.70 : 126,386,323.35 = 33,131,904.10 : x - Step 2: Convert to fraction form
84,248,217.70/126,386,323.35 = 33,131,904.10/x - Step 3: Cross multiply
84,248,217.70x = 126,386,323.35 × 33,131,904.10 - Step 4: Simplify right side
84,248,217.70x = 4,187,419,544,783,790.50 - Step 5: Solve for x
x = 4,187,419,544,783,790.50/84,248,217.70 - Step 6: Final answer
x = 49,703,360.61
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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.