Finding the Fourth Proportional to 75,792,601.80, 113,688,902.70 and 73,666,837.80
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Solution
The fourth proportional to 75,792,601.80, 113,688,902.70 and 73,666,837.80 is: 110,500,256.70
Step by Step Solution
- Step 1: Write the proportion equation
75,792,601.80 : 113,688,902.70 = 73,666,837.80 : x - Step 2: Convert to fraction form
75,792,601.80/113,688,902.70 = 73,666,837.80/x - Step 3: Cross multiply
75,792,601.80x = 113,688,902.70 × 73,666,837.80 - Step 4: Simplify right side
75,792,601.80x = 8,375,101,954,860,882 - Step 5: Solve for x
x = 8,375,101,954,860,882/75,792,601.80 - Step 6: Final answer
x = 110,500,256.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.