Finding the Fourth Proportional to 91,126,886.93, 125,755,437.29 and 49,310,952.60
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Solution
The fourth proportional to 91,126,886.93, 125,755,437.29 and 49,310,952.60 is: 68,049,294.96
Step by Step Solution
- Step 1: Write the proportion equation
91,126,886.93 : 125,755,437.29 = 49,310,952.60 : x - Step 2: Convert to fraction form
91,126,886.93/125,755,437.29 = 49,310,952.60/x - Step 3: Cross multiply
91,126,886.93x = 125,755,437.29 × 49,310,952.60 - Step 4: Simplify right side
91,126,886.93x = 6,201,120,407,399,463 - Step 5: Solve for x
x = 6,201,120,407,399,463/91,126,886.93 - Step 6: Final answer
x = 68,049,294.96
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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.