Finding the Fourth Proportional to 179,128,152.12, 247,273,121.40 and 120,424,865.04
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Solution
The fourth proportional to 179,128,152.12, 247,273,121.40 and 120,424,865.04 is: 166,237,589.79
Step by Step Solution
- Step 1: Write the proportion equation
179,128,152.12 : 247,273,121.40 = 120,424,865.04 : x - Step 2: Convert to fraction form
179,128,152.12/247,273,121.40 = 120,424,865.04/x - Step 3: Cross multiply
179,128,152.12x = 247,273,121.40 × 120,424,865.04 - Step 4: Simplify right side
179,128,152.12x = 29,777,832,272,614,540 - Step 5: Solve for x
x = 29,777,832,272,614,540/179,128,152.12 - Step 6: Final answer
x = 166,237,589.79
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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.