Finding the Fourth Proportional to 51,428,102.68, 70,950,577.79 and 29,389,778.88
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Solution
The fourth proportional to 51,428,102.68, 70,950,577.79 and 29,389,778.88 is: 40,546,348.86
Step by Step Solution
- Step 1: Write the proportion equation
51,428,102.68 : 70,950,577.79 = 29,389,778.88 : x - Step 2: Convert to fraction form
51,428,102.68/70,950,577.79 = 29,389,778.88/x - Step 3: Cross multiply
51,428,102.68x = 70,950,577.79 × 29,389,778.88 - Step 4: Simplify right side
51,428,102.68x = 2,085,221,792,463,749 - Step 5: Solve for x
x = 2,085,221,792,463,749/51,428,102.68 - Step 6: Final answer
x = 40,546,348.86
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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.