Finding the Fourth Proportional to 75,888,577.80, 113,886,010.80 and 32,788,712.70
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Solution
The fourth proportional to 75,888,577.80, 113,886,010.80 and 32,788,712.70 is: 49,206,030.70
Step by Step Solution
- Step 1: Write the proportion equation
75,888,577.80 : 113,886,010.80 = 32,788,712.70 : x - Step 2: Convert to fraction form
75,888,577.80/113,886,010.80 = 32,788,712.70/x - Step 3: Cross multiply
75,888,577.80x = 113,886,010.80 × 32,788,712.70 - Step 4: Simplify right side
75,888,577.80x = 3,734,175,688,670,297 - Step 5: Solve for x
x = 3,734,175,688,670,297/75,888,577.80 - Step 6: Final answer
x = 49,206,030.70
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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.