Finding the Fourth Proportional to 45,795,485.61, 68,692,878.50 and 11,716,776.81
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Solution
The fourth proportional to 45,795,485.61, 68,692,878.50 and 11,716,776.81 is: 17,575,075.69
Step by Step Solution
- Step 1: Write the proportion equation
45,795,485.61 : 68,692,878.50 = 11,716,776.81 : x - Step 2: Convert to fraction form
45,795,485.61/68,692,878.50 = 11,716,776.81/x - Step 3: Cross multiply
45,795,485.61x = 68,692,878.50 × 11,716,776.81 - Step 4: Simplify right side
45,795,485.61x = 804,859,125,762,363.75 - Step 5: Solve for x
x = 804,859,125,762,363.75/45,795,485.61 - Step 6: Final answer
x = 17,575,075.69
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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.