Finding the Fourth Proportional to 89,162,701.29, 122,930,626.05 and 57,745,243.44
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Solution
The fourth proportional to 89,162,701.29, 122,930,626.05 and 57,745,243.44 is: 79,614,668.74
Step by Step Solution
- Step 1: Write the proportion equation
89,162,701.29 : 122,930,626.05 = 57,745,243.44 : x - Step 2: Convert to fraction form
89,162,701.29/122,930,626.05 = 57,745,243.44/x - Step 3: Cross multiply
89,162,701.29x = 122,930,626.05 × 57,745,243.44 - Step 4: Simplify right side
89,162,701.29x = 7,098,658,927,488,855 - Step 5: Solve for x
x = 7,098,658,927,488,855/89,162,701.29 - Step 6: Final answer
x = 79,614,668.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.