Finding the Fourth Proportional to 139,614,540.58, 192,689,012.37 and 106,068,818.26
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Solution
The fourth proportional to 139,614,540.58, 192,689,012.37 and 106,068,818.26 is: 146,390,882.70
Step by Step Solution
- Step 1: Write the proportion equation
139,614,540.58 : 192,689,012.37 = 106,068,818.26 : x - Step 2: Convert to fraction form
139,614,540.58/192,689,012.37 = 106,068,818.26/x - Step 3: Cross multiply
139,614,540.58x = 192,689,012.37 × 106,068,818.26 - Step 4: Simplify right side
139,614,540.58x = 20,438,295,833,772,424 - Step 5: Solve for x
x = 20,438,295,833,772,424/139,614,540.58 - Step 6: Final answer
x = 146,390,882.70
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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.