Finding the Fourth Proportional to 74,998,438.98, 103,501,864.36 and 41,956,717.02
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Solution
The fourth proportional to 74,998,438.98, 103,501,864.36 and 41,956,717.02 is: 57,902,517.61
Step by Step Solution
- Step 1: Write the proportion equation
74,998,438.98 : 103,501,864.36 = 41,956,717.02 : x - Step 2: Convert to fraction form
74,998,438.98/103,501,864.36 = 41,956,717.02/x - Step 3: Cross multiply
74,998,438.98x = 103,501,864.36 × 41,956,717.02 - Step 4: Simplify right side
74,998,438.98x = 4,342,598,433,994,943.50 - Step 5: Solve for x
x = 4,342,598,433,994,943.50/74,998,438.98 - Step 6: Final answer
x = 57,902,517.61
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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.