Finding the Fourth Proportional to 231,824,459.80, 347,736,689.70 and 124,329,035.80
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Solution
The fourth proportional to 231,824,459.80, 347,736,689.70 and 124,329,035.80 is: 186,493,553.70
Step by Step Solution
- Step 1: Write the proportion equation
231,824,459.80 : 347,736,689.70 = 124,329,035.80 : x - Step 2: Convert to fraction form
231,824,459.80/347,736,689.70 = 124,329,035.80/x - Step 3: Cross multiply
231,824,459.80x = 347,736,689.70 × 124,329,035.80 - Step 4: Simplify right side
231,824,459.80x = 43,233,767,342,684,792 - Step 5: Solve for x
x = 43,233,767,342,684,792/231,824,459.80 - Step 6: Final answer
x = 186,493,553.70
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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.