Finding the Fourth Proportional to 99,362,331.70, 137,119,990.53 and 55,308,375.70
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Solution
The fourth proportional to 99,362,331.70, 137,119,990.53 and 55,308,375.70 is: 76,325,543.32
Step by Step Solution
- Step 1: Write the proportion equation
99,362,331.70 : 137,119,990.53 = 55,308,375.70 : x - Step 2: Convert to fraction form
99,362,331.70/137,119,990.53 = 55,308,375.70/x - Step 3: Cross multiply
99,362,331.70x = 137,119,990.53 × 55,308,375.70 - Step 4: Simplify right side
99,362,331.70x = 7,583,883,952,213,683 - Step 5: Solve for x
x = 7,583,883,952,213,683/99,362,331.70 - Step 6: Final answer
x = 76,325,543.32
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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.