Finding the Fourth Proportional to 75,551,805.30, 113,327,707.95 and 59,112,563.70
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Solution
The fourth proportional to 75,551,805.30, 113,327,707.95 and 59,112,563.70 is: 88,668,845.55
Step by Step Solution
- Step 1: Write the proportion equation
75,551,805.30 : 113,327,707.95 = 59,112,563.70 : x - Step 2: Convert to fraction form
75,551,805.30/113,327,707.95 = 59,112,563.70/x - Step 3: Cross multiply
75,551,805.30x = 113,327,707.95 × 59,112,563.70 - Step 4: Simplify right side
75,551,805.30x = 6,699,091,355,169,372 - Step 5: Solve for x
x = 6,699,091,355,169,372/75,551,805.30 - Step 6: Final answer
x = 88,668,845.55
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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.