Finding the Fourth Proportional to 163,329,759.40, 244,994,639.10 and 145,473,341.80
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Solution
The fourth proportional to 163,329,759.40, 244,994,639.10 and 145,473,341.80 is: 218,210,012.70
Step by Step Solution
- Step 1: Write the proportion equation
163,329,759.40 : 244,994,639.10 = 145,473,341.80 : x - Step 2: Convert to fraction form
163,329,759.40/244,994,639.10 = 145,473,341.80/x - Step 3: Cross multiply
163,329,759.40x = 244,994,639.10 × 145,473,341.80 - Step 4: Simplify right side
163,329,759.40x = 35,640,188,872,961,948 - Step 5: Solve for x
x = 35,640,188,872,961,948/163,329,759.40 - Step 6: Final answer
x = 218,210,012.70
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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.