Finding the Fourth Proportional to 117,796,779.04, 176,465,299.80 and 91,767,201.40
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Solution
The fourth proportional to 117,796,779.04, 176,465,299.80 and 91,767,201.40 is: 137,471,727.49
Step by Step Solution
- Step 1: Write the proportion equation
117,796,779.04 : 176,465,299.80 = 91,767,201.40 : x - Step 2: Convert to fraction form
117,796,779.04/176,465,299.80 = 91,767,201.40/x - Step 3: Cross multiply
117,796,779.04x = 176,465,299.80 × 91,767,201.40 - Step 4: Simplify right side
117,796,779.04x = 16,193,726,706,857,982 - Step 5: Solve for x
x = 16,193,726,706,857,982/117,796,779.04 - Step 6: Final answer
x = 137,471,727.49
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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.