Finding the Fourth Proportional to 183,599,442.77, 253,371,774.49 and 99,972,157.95
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Solution
The fourth proportional to 183,599,442.77, 253,371,774.49 and 99,972,157.95 is: 137,964,051.95
Step by Step Solution
- Step 1: Write the proportion equation
183,599,442.77 : 253,371,774.49 = 99,972,157.95 : x - Step 2: Convert to fraction form
183,599,442.77/253,371,774.49 = 99,972,157.95/x - Step 3: Cross multiply
183,599,442.77x = 253,371,774.49 × 99,972,157.95 - Step 4: Simplify right side
183,599,442.77x = 25,330,123,059,386,064 - Step 5: Solve for x
x = 25,330,123,059,386,064/183,599,442.77 - Step 6: Final answer
x = 137,964,051.95
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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.