Finding the Fourth Proportional to 69,993,641.20, 104,990,461.80 and 44,351,503.60
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Solution
The fourth proportional to 69,993,641.20, 104,990,461.80 and 44,351,503.60 is: 66,527,255.40
Step by Step Solution
- Step 1: Write the proportion equation
69,993,641.20 : 104,990,461.80 = 44,351,503.60 : x - Step 2: Convert to fraction form
69,993,641.20/104,990,461.80 = 44,351,503.60/x - Step 3: Cross multiply
69,993,641.20x = 104,990,461.80 × 44,351,503.60 - Step 4: Simplify right side
69,993,641.20x = 4,656,484,844,488,363 - Step 5: Solve for x
x = 4,656,484,844,488,363/69,993,641.20 - Step 6: Final answer
x = 66,527,255.40
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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.