Finding the Fourth Proportional to 242,560,734.96, 334,767,952.44 and 154,426,578.96
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Solution
The fourth proportional to 242,560,734.96, 334,767,952.44 and 154,426,578.96 is: 213,130,413.09
Step by Step Solution
- Step 1: Write the proportion equation
242,560,734.96 : 334,767,952.44 = 154,426,578.96 : x - Step 2: Convert to fraction form
242,560,734.96/334,767,952.44 = 154,426,578.96/x - Step 3: Cross multiply
242,560,734.96x = 334,767,952.44 × 154,426,578.96 - Step 4: Simplify right side
242,560,734.96x = 51,697,069,640,753,184 - Step 5: Solve for x
x = 51,697,069,640,753,184/242,560,734.96 - Step 6: Final answer
x = 213,130,413.09
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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.