Finding the Fourth Proportional to 172,163,212.67, 237,583,299.63 and 93,845,047.74
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Solution
The fourth proportional to 172,163,212.67, 237,583,299.63 and 93,845,047.74 is: 129,505,111.75
Step by Step Solution
- Step 1: Write the proportion equation
172,163,212.67 : 237,583,299.63 = 93,845,047.74 : x - Step 2: Convert to fraction form
172,163,212.67/237,583,299.63 = 93,845,047.74/x - Step 3: Cross multiply
172,163,212.67x = 237,583,299.63 × 93,845,047.74 - Step 4: Simplify right side
172,163,212.67x = 22,296,016,096,004,072 - Step 5: Solve for x
x = 22,296,016,096,004,072/172,163,212.67 - Step 6: Final answer
x = 129,505,111.75
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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.