Finding the Fourth Proportional to 252,240,755.40, 378,179,545.68 and 154,995,547.68
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Solution
The fourth proportional to 252,240,755.40, 378,179,545.68 and 154,995,547.68 is: 232,381,740.66
Step by Step Solution
- Step 1: Write the proportion equation
252,240,755.40 : 378,179,545.68 = 154,995,547.68 : x - Step 2: Convert to fraction form
252,240,755.40/378,179,545.68 = 154,995,547.68/x - Step 3: Cross multiply
252,240,755.40x = 378,179,545.68 × 154,995,547.68 - Step 4: Simplify right side
252,240,755.40x = 58,616,145,804,045,184 - Step 5: Solve for x
x = 58,616,145,804,045,184/252,240,755.40 - Step 6: Final answer
x = 232,381,740.66
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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.