Finding the Fourth Proportional to 152,048,643.75, 209,859,947.99 and 92,529,116.75
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Solution
The fourth proportional to 152,048,643.75, 209,859,947.99 and 92,529,116.75 is: 127,710,153.46
Step by Step Solution
- Step 1: Write the proportion equation
152,048,643.75 : 209,859,947.99 = 92,529,116.75 : x - Step 2: Convert to fraction form
152,048,643.75/209,859,947.99 = 92,529,116.75/x - Step 3: Cross multiply
152,048,643.75x = 209,859,947.99 × 92,529,116.75 - Step 4: Simplify right side
152,048,643.75x = 19,418,155,627,203,696 - Step 5: Solve for x
x = 19,418,155,627,203,696/152,048,643.75 - Step 6: Final answer
x = 127,710,153.46
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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.