Finding the Fourth Proportional to 74,845,793.70, 112,268,690.55 and 69,247,073.70
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Solution
The fourth proportional to 74,845,793.70, 112,268,690.55 and 69,247,073.70 is: 103,870,610.55
Step by Step Solution
- Step 1: Write the proportion equation
74,845,793.70 : 112,268,690.55 = 69,247,073.70 : x - Step 2: Convert to fraction form
74,845,793.70/112,268,690.55 = 69,247,073.70/x - Step 3: Cross multiply
74,845,793.70x = 112,268,690.55 × 69,247,073.70 - Step 4: Simplify right side
74,845,793.70x = 7,774,278,288,718,344 - Step 5: Solve for x
x = 7,774,278,288,718,344/74,845,793.70 - Step 6: Final answer
x = 103,870,610.55
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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.