Finding the Fourth Proportional to 155,143,927.80, 232,715,891.70 and 136,012,051.80
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Solution
The fourth proportional to 155,143,927.80, 232,715,891.70 and 136,012,051.80 is: 204,018,077.70
Step by Step Solution
- Step 1: Write the proportion equation
155,143,927.80 : 232,715,891.70 = 136,012,051.80 : x - Step 2: Convert to fraction form
155,143,927.80/232,715,891.70 = 136,012,051.80/x - Step 3: Cross multiply
155,143,927.80x = 232,715,891.70 × 136,012,051.80 - Step 4: Simplify right side
155,143,927.80x = 31,652,165,916,583,592 - Step 5: Solve for x
x = 31,652,165,916,583,592/155,143,927.80 - Step 6: Final answer
x = 204,018,077.70
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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.