Finding the Fourth Proportional to 139,790,855.99, 209,640,643.11 and 46,392,736.79
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Solution
The fourth proportional to 139,790,855.99, 209,640,643.11 and 46,392,736.79 is: 69,573,958.24
Step by Step Solution
- Step 1: Write the proportion equation
139,790,855.99 : 209,640,643.11 = 46,392,736.79 : x - Step 2: Convert to fraction form
139,790,855.99/209,640,643.11 = 46,392,736.79/x - Step 3: Cross multiply
139,790,855.99x = 209,640,643.11 × 46,392,736.79 - Step 4: Simplify right side
139,790,855.99x = 9,725,803,176,288,558 - Step 5: Solve for x
x = 9,725,803,176,288,558/139,790,855.99 - Step 6: Final answer
x = 69,573,958.24
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.