Finding the Fourth Proportional to 152,048,639.99, 209,859,942.80 and 92,529,113.00
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Solution
The fourth proportional to 152,048,639.99, 209,859,942.80 and 92,529,113.00 is: 127,710,148.29
Step by Step Solution
- Step 1: Write the proportion equation
152,048,639.99 : 209,859,942.80 = 92,529,113.00 : x - Step 2: Convert to fraction form
152,048,639.99/209,859,942.80 = 92,529,113.00/x - Step 3: Cross multiply
152,048,639.99x = 209,859,942.80 × 92,529,113.00 - Step 4: Simplify right side
152,048,639.99x = 19,418,154,360,696,760 - Step 5: Solve for x
x = 19,418,154,360,696,760/152,048,639.99 - Step 6: Final answer
x = 127,710,148.29
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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.