Finding the Fourth Proportional to 79,892,450.48, 119,876,574 and 55,338,126.68
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Solution
The fourth proportional to 79,892,450.48, 119,876,574 and 55,338,126.68 is: 83,033,440.56
Step by Step Solution
- Step 1: Write the proportion equation
79,892,450.48 : 119,876,574 = 55,338,126.68 : x - Step 2: Convert to fraction form
79,892,450.48/119,876,574 = 55,338,126.68/x - Step 3: Cross multiply
79,892,450.48x = 119,876,574 × 55,338,126.68 - Step 4: Simplify right side
79,892,450.48x = 6,633,745,037,976,394 - Step 5: Solve for x
x = 6,633,745,037,976,394/79,892,450.48 - Step 6: Final answer
x = 83,033,440.56
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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.