Finding the Fourth Proportional to 106,657,608.60, 159,986,413.30 and 29,980,636.82
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Solution
The fourth proportional to 106,657,608.60, 159,986,413.30 and 29,980,636.82 is: 44,970,955.34
Step by Step Solution
- Step 1: Write the proportion equation
106,657,608.60 : 159,986,413.30 = 29,980,636.82 : x - Step 2: Convert to fraction form
106,657,608.60/159,986,413.30 = 29,980,636.82/x - Step 3: Cross multiply
106,657,608.60x = 159,986,413.30 × 29,980,636.82 - Step 4: Simplify right side
106,657,608.60x = 4,796,494,553,281,718 - Step 5: Solve for x
x = 4,796,494,553,281,718/106,657,608.60 - Step 6: Final answer
x = 44,970,955.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.