Finding the Fourth Proportional to 91,663,152.65, 126,493,396.73 and 50,410,045.02
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Solution
The fourth proportional to 91,663,152.65, 126,493,396.73 and 50,410,045.02 is: 69,564,897.56
Step by Step Solution
- Step 1: Write the proportion equation
91,663,152.65 : 126,493,396.73 = 50,410,045.02 : x - Step 2: Convert to fraction form
91,663,152.65/126,493,396.73 = 50,410,045.02/x - Step 3: Cross multiply
91,663,152.65x = 126,493,396.73 × 50,410,045.02 - Step 4: Simplify right side
91,663,152.65x = 6,376,537,823,639,971 - Step 5: Solve for x
x = 6,376,537,823,639,971/91,663,152.65 - Step 6: Final answer
x = 69,564,897.56
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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.