Finding the Fourth Proportional to 115,671,424.66, 173,422,106.42 and 55,129,665.94
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Solution
The fourth proportional to 115,671,424.66, 173,422,106.42 and 55,129,665.94 is: 82,653,972.85
Step by Step Solution
- Step 1: Write the proportion equation
115,671,424.66 : 173,422,106.42 = 55,129,665.94 : x - Step 2: Convert to fraction form
115,671,424.66/173,422,106.42 = 55,129,665.94/x - Step 3: Cross multiply
115,671,424.66x = 173,422,106.42 × 55,129,665.94 - Step 4: Simplify right side
115,671,424.66x = 9,560,702,793,545,728 - Step 5: Solve for x
x = 9,560,702,793,545,728/115,671,424.66 - Step 6: Final answer
x = 82,653,972.85
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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.