Finding the Fourth Proportional to 138,701,734.02, 207,891,462.74 and 52,385,218.02
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Solution
The fourth proportional to 138,701,734.02, 207,891,462.74 and 52,385,218.02 is: 78,516,967.92
Step by Step Solution
- Step 1: Write the proportion equation
138,701,734.02 : 207,891,462.74 = 52,385,218.02 : x - Step 2: Convert to fraction form
138,701,734.02/207,891,462.74 = 52,385,218.02/x - Step 3: Cross multiply
138,701,734.02x = 207,891,462.74 × 52,385,218.02 - Step 4: Simplify right side
138,701,734.02x = 10,890,439,599,869,682 - Step 5: Solve for x
x = 10,890,439,599,869,682/138,701,734.02 - Step 6: Final answer
x = 78,516,967.92
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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.