Finding the Fourth Proportional to 145,220,201.34, 217,894,628.40 and 76,116,582.09
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Solution
The fourth proportional to 145,220,201.34, 217,894,628.40 and 76,116,582.09 is: 114,208,589.55
Step by Step Solution
- Step 1: Write the proportion equation
145,220,201.34 : 217,894,628.40 = 76,116,582.09 : x - Step 2: Convert to fraction form
145,220,201.34/217,894,628.40 = 76,116,582.09/x - Step 3: Cross multiply
145,220,201.34x = 217,894,628.40 × 76,116,582.09 - Step 4: Simplify right side
145,220,201.34x = 16,585,394,369,578,646 - Step 5: Solve for x
x = 16,585,394,369,578,646/145,220,201.34 - Step 6: Final answer
x = 114,208,589.55
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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.