Finding the Fourth Proportional to 138,285,861.49, 207,576,461.71 and 59,541,376.69
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Solution
The fourth proportional to 138,285,861.49, 207,576,461.71 and 59,541,376.69 is: 89,375,646.69
Step by Step Solution
- Step 1: Write the proportion equation
138,285,861.49 : 207,576,461.71 = 59,541,376.69 : x - Step 2: Convert to fraction form
138,285,861.49/207,576,461.71 = 59,541,376.69/x - Step 3: Cross multiply
138,285,861.49x = 207,576,461.71 × 59,541,376.69 - Step 4: Simplify right side
138,285,861.49x = 12,359,388,297,614,590 - Step 5: Solve for x
x = 12,359,388,297,614,590/138,285,861.49 - Step 6: Final answer
x = 89,375,646.69
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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.