Finding the Fourth Proportional to 92,012,641.40, 137,901,738.90 and 48,902,497.40
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Solution
The fourth proportional to 92,012,641.40, 137,901,738.90 and 48,902,497.40 is: 73,291,444.80
Step by Step Solution
- Step 1: Write the proportion equation
92,012,641.40 : 137,901,738.90 = 48,902,497.40 : x - Step 2: Convert to fraction form
92,012,641.40/137,901,738.90 = 48,902,497.40/x - Step 3: Cross multiply
92,012,641.40x = 137,901,738.90 × 48,902,497.40 - Step 4: Simplify right side
92,012,641.40x = 6,743,739,428,012,729 - Step 5: Solve for x
x = 6,743,739,428,012,729/92,012,641.40 - Step 6: Final answer
x = 73,291,444.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.