Finding the Fourth Proportional to 269,136,218.70, 403,704,328.05 and 165,824,088.30
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Solution
The fourth proportional to 269,136,218.70, 403,704,328.05 and 165,824,088.30 is: 248,736,132.45
Step by Step Solution
- Step 1: Write the proportion equation
269,136,218.70 : 403,704,328.05 = 165,824,088.30 : x - Step 2: Convert to fraction form
269,136,218.70/403,704,328.05 = 165,824,088.30/x - Step 3: Cross multiply
269,136,218.70x = 403,704,328.05 × 165,824,088.30 - Step 4: Simplify right side
269,136,218.70x = 66,943,902,141,655,376 - Step 5: Solve for x
x = 66,943,902,141,655,376/269,136,218.70 - Step 6: Final answer
x = 248,736,132.45
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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.