Finding the Fourth Proportional to 149,703,942.52, 206,591,428.44 and 83,624,440.18
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Solution
The fourth proportional to 149,703,942.52, 206,591,428.44 and 83,624,440.18 is: 115,401,720.61
Step by Step Solution
- Step 1: Write the proportion equation
149,703,942.52 : 206,591,428.44 = 83,624,440.18 : x - Step 2: Convert to fraction form
149,703,942.52/206,591,428.44 = 83,624,440.18/x - Step 3: Cross multiply
149,703,942.52x = 206,591,428.44 × 83,624,440.18 - Step 4: Simplify right side
149,703,942.52x = 17,276,092,549,792,948 - Step 5: Solve for x
x = 17,276,092,549,792,948/149,703,942.52 - Step 6: Final answer
x = 115,401,720.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.