Finding the Fourth Proportional to 236,643,272.70, 354,964,909.05 and 160,202,082.30
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Solution
The fourth proportional to 236,643,272.70, 354,964,909.05 and 160,202,082.30 is: 240,303,123.45
Step by Step Solution
- Step 1: Write the proportion equation
236,643,272.70 : 354,964,909.05 = 160,202,082.30 : x - Step 2: Convert to fraction form
236,643,272.70/354,964,909.05 = 160,202,082.30/x - Step 3: Cross multiply
236,643,272.70x = 354,964,909.05 × 160,202,082.30 - Step 4: Simplify right side
236,643,272.70x = 56,866,117,573,240,120 - Step 5: Solve for x
x = 56,866,117,573,240,120/236,643,272.70 - Step 6: Final answer
x = 240,303,123.45
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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.