Finding the Fourth Proportional to 117,046,276.23, 161,394,448.97 and 74,592,616.94
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Solution
The fourth proportional to 117,046,276.23, 161,394,448.97 and 74,592,616.94 is: 102,855,338.04
Step by Step Solution
- Step 1: Write the proportion equation
117,046,276.23 : 161,394,448.97 = 74,592,616.94 : x - Step 2: Convert to fraction form
117,046,276.23/161,394,448.97 = 74,592,616.94/x - Step 3: Cross multiply
117,046,276.23x = 161,394,448.97 × 74,592,616.94 - Step 4: Simplify right side
117,046,276.23x = 12,038,834,307,641,096 - Step 5: Solve for x
x = 12,038,834,307,641,096/117,046,276.23 - Step 6: Final answer
x = 102,855,338.04
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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.