Finding the Fourth Proportional to 55,086,480.18, 76,039,806.06 and 47,320,355.70
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Solution
The fourth proportional to 55,086,480.18, 76,039,806.06 and 47,320,355.70 is: 65,319,669.33
Step by Step Solution
- Step 1: Write the proportion equation
55,086,480.18 : 76,039,806.06 = 47,320,355.70 : x - Step 2: Convert to fraction form
55,086,480.18/76,039,806.06 = 47,320,355.70/x - Step 3: Cross multiply
55,086,480.18x = 76,039,806.06 × 47,320,355.70 - Step 4: Simplify right side
55,086,480.18x = 3,598,230,670,118,216 - Step 5: Solve for x
x = 3,598,230,670,118,216/55,086,480.18 - Step 6: Final answer
x = 65,319,669.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.