Finding the Fourth Proportional to 198,763,625.40, 298,281,626.74 and 69,371,235.49
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Solution
The fourth proportional to 198,763,625.40, 298,281,626.74 and 69,371,235.49 is: 104,104,384.94
Step by Step Solution
- Step 1: Write the proportion equation
198,763,625.40 : 298,281,626.74 = 69,371,235.49 : x - Step 2: Convert to fraction form
198,763,625.40/298,281,626.74 = 69,371,235.49/x - Step 3: Cross multiply
198,763,625.40x = 298,281,626.74 × 69,371,235.49 - Step 4: Simplify right side
198,763,625.40x = 20,692,164,971,016,040 - Step 5: Solve for x
x = 20,692,164,971,016,040/198,763,625.40 - Step 6: Final answer
x = 104,104,384.94
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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.