Finding the Fourth Proportional to 235,668,311.83, 325,197,804.28 and 145,127,409.29
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Solution
The fourth proportional to 235,668,311.83, 325,197,804.28 and 145,127,409.29 is: 200,260,758.33
Step by Step Solution
- Step 1: Write the proportion equation
235,668,311.83 : 325,197,804.28 = 145,127,409.29 : x - Step 2: Convert to fraction form
235,668,311.83/325,197,804.28 = 145,127,409.29/x - Step 3: Cross multiply
235,668,311.83x = 325,197,804.28 × 145,127,409.29 - Step 4: Simplify right side
235,668,311.83x = 47,195,114,840,950,400 - Step 5: Solve for x
x = 47,195,114,840,950,400/235,668,311.83 - Step 6: Final answer
x = 200,260,758.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.