Finding the Fourth Proportional to 91,621,455.78, 137,497,752.66 and 33,329,021.09
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Solution
The fourth proportional to 91,621,455.78, 137,497,752.66 and 33,329,021.09 is: 50,017,383.59
Step by Step Solution
- Step 1: Write the proportion equation
91,621,455.78 : 137,497,752.66 = 33,329,021.09 : x - Step 2: Convert to fraction form
91,621,455.78/137,497,752.66 = 33,329,021.09/x - Step 3: Cross multiply
91,621,455.78x = 137,497,752.66 × 33,329,021.09 - Step 4: Simplify right side
91,621,455.78x = 4,582,665,498,701,472 - Step 5: Solve for x
x = 4,582,665,498,701,472/91,621,455.78 - Step 6: Final answer
x = 50,017,383.59
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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.