Finding the Fourth Proportional to 114,961,413.83, 158,623,068.44 and 66,059,393.99
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Solution
The fourth proportional to 114,961,413.83, 158,623,068.44 and 66,059,393.99 is: 91,148,355.13
Step by Step Solution
- Step 1: Write the proportion equation
114,961,413.83 : 158,623,068.44 = 66,059,393.99 : x - Step 2: Convert to fraction form
114,961,413.83/158,623,068.44 = 66,059,393.99/x - Step 3: Cross multiply
114,961,413.83x = 158,623,068.44 × 66,059,393.99 - Step 4: Simplify right side
114,961,413.83x = 10,478,543,773,650,398 - Step 5: Solve for x
x = 10,478,543,773,650,398/114,961,413.83 - Step 6: Final answer
x = 91,148,355.13
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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.