Finding the Fourth Proportional to 75,596,220.72, 113,302,208.16 and 39,184,536.96
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Solution
The fourth proportional to 75,596,220.72, 113,302,208.16 and 39,184,536.96 is: 58,729,054.46
Step by Step Solution
- Step 1: Write the proportion equation
75,596,220.72 : 113,302,208.16 = 39,184,536.96 : x - Step 2: Convert to fraction form
75,596,220.72/113,302,208.16 = 39,184,536.96/x - Step 3: Cross multiply
75,596,220.72x = 113,302,208.16 × 39,184,536.96 - Step 4: Simplify right side
75,596,220.72x = 4,439,694,563,295,133.50 - Step 5: Solve for x
x = 4,439,694,563,295,133.50/75,596,220.72 - Step 6: Final answer
x = 58,729,054.46
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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.