Finding the Fourth Proportional to 69,947,409.52, 96,534,364.64 and 52,275,620.08
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Solution
The fourth proportional to 69,947,409.52, 96,534,364.64 and 52,275,620.08 is: 72,145,541.99
Step by Step Solution
- Step 1: Write the proportion equation
69,947,409.52 : 96,534,364.64 = 52,275,620.08 : x - Step 2: Convert to fraction form
69,947,409.52/96,534,364.64 = 52,275,620.08/x - Step 3: Cross multiply
69,947,409.52x = 96,534,364.64 × 52,275,620.08 - Step 4: Simplify right side
69,947,409.52x = 5,046,393,770,584,826 - Step 5: Solve for x
x = 5,046,393,770,584,826/69,947,409.52 - Step 6: Final answer
x = 72,145,541.99
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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.