Finding the Fourth Proportional to 236,201,967.80, 354,302,951.70 and 74,643,903.80
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Solution
The fourth proportional to 236,201,967.80, 354,302,951.70 and 74,643,903.80 is: 111,965,855.70
Step by Step Solution
- Step 1: Write the proportion equation
236,201,967.80 : 354,302,951.70 = 74,643,903.80 : x - Step 2: Convert to fraction form
236,201,967.80/354,302,951.70 = 74,643,903.80/x - Step 3: Cross multiply
236,201,967.80x = 354,302,951.70 × 74,643,903.80 - Step 4: Simplify right side
236,201,967.80x = 26,446,555,442,750,844 - Step 5: Solve for x
x = 26,446,555,442,750,844/236,201,967.80 - Step 6: Final answer
x = 111,965,855.70
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1.5x scale
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.