Finding the Fourth Proportional to 198,558,081.20, 297,837,121.80 and 96,521,409.20
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Solution
The fourth proportional to 198,558,081.20, 297,837,121.80 and 96,521,409.20 is: 144,782,113.80
Step by Step Solution
- Step 1: Write the proportion equation
198,558,081.20 : 297,837,121.80 = 96,521,409.20 : x - Step 2: Convert to fraction form
198,558,081.20/297,837,121.80 = 96,521,409.20/x - Step 3: Cross multiply
198,558,081.20x = 297,837,121.80 × 96,521,409.20 - Step 4: Simplify right side
198,558,081.20x = 28,747,658,708,208,044 - Step 5: Solve for x
x = 28,747,658,708,208,044/198,558,081.20 - Step 6: Final answer
x = 144,782,113.80
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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.