Finding the Fourth Proportional to 236,202,403.80, 354,303,605.70 and 74,644,339.80
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Solution
The fourth proportional to 236,202,403.80, 354,303,605.70 and 74,644,339.80 is: 111,966,509.70
Step by Step Solution
- Step 1: Write the proportion equation
236,202,403.80 : 354,303,605.70 = 74,644,339.80 : x - Step 2: Convert to fraction form
236,202,403.80/354,303,605.70 = 74,644,339.80/x - Step 3: Cross multiply
236,202,403.80x = 354,303,605.70 × 74,644,339.80 - Step 4: Simplify right side
236,202,403.80x = 26,446,758,736,236,016 - Step 5: Solve for x
x = 26,446,758,736,236,016/236,202,403.80 - Step 6: Final answer
x = 111,966,509.70
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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.