Finding the Fourth Proportional to 210,420,773.73, 290,368,137.96 and 116,329,283.19
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Solution
The fourth proportional to 210,420,773.73, 290,368,137.96 and 116,329,283.19 is: 160,527,483.82
Step by Step Solution
- Step 1: Write the proportion equation
210,420,773.73 : 290,368,137.96 = 116,329,283.19 : x - Step 2: Convert to fraction form
210,420,773.73/290,368,137.96 = 116,329,283.19/x - Step 3: Cross multiply
210,420,773.73x = 290,368,137.96 × 116,329,283.19 - Step 4: Simplify right side
210,420,773.73x = 33,778,317,350,101,824 - Step 5: Solve for x
x = 33,778,317,350,101,824/210,420,773.73 - Step 6: Final answer
x = 160,527,483.82
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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.