Finding the Fourth Proportional to 75,548,752.80, 113,323,129.20 and 24,435,938.40
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Solution
The fourth proportional to 75,548,752.80, 113,323,129.20 and 24,435,938.40 is: 36,653,907.60
Step by Step Solution
- Step 1: Write the proportion equation
75,548,752.80 : 113,323,129.20 = 24,435,938.40 : x - Step 2: Convert to fraction form
75,548,752.80/113,323,129.20 = 24,435,938.40/x - Step 3: Cross multiply
75,548,752.80x = 113,323,129.20 × 24,435,938.40 - Step 4: Simplify right side
75,548,752.80x = 2,769,157,004,426,441 - Step 5: Solve for x
x = 2,769,157,004,426,441/75,548,752.80 - Step 6: Final answer
x = 36,653,907.60
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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.