Finding the Fourth Proportional to 163,883,266.80, 245,824,900.20 and 127,293,553.95
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Solution
The fourth proportional to 163,883,266.80, 245,824,900.20 and 127,293,553.95 is: 190,940,330.93
Step by Step Solution
- Step 1: Write the proportion equation
163,883,266.80 : 245,824,900.20 = 127,293,553.95 : x - Step 2: Convert to fraction form
163,883,266.80/245,824,900.20 = 127,293,553.95/x - Step 3: Cross multiply
163,883,266.80x = 245,824,900.20 × 127,293,553.95 - Step 4: Simplify right side
163,883,266.80x = 31,291,925,195,862,064 - Step 5: Solve for x
x = 31,291,925,195,862,064/163,883,266.80 - Step 6: Final answer
x = 190,940,330.93
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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.