Finding the Fourth Proportional to 206,864,495.10, 310,296,742.65 and 91,726,818.30
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Solution
The fourth proportional to 206,864,495.10, 310,296,742.65 and 91,726,818.30 is: 137,590,227.45
Step by Step Solution
- Step 1: Write the proportion equation
206,864,495.10 : 310,296,742.65 = 91,726,818.30 : x - Step 2: Convert to fraction form
206,864,495.10/310,296,742.65 = 91,726,818.30/x - Step 3: Cross multiply
206,864,495.10x = 310,296,742.65 × 91,726,818.30 - Step 4: Simplify right side
206,864,495.10x = 28,462,532,932,138,408 - Step 5: Solve for x
x = 28,462,532,932,138,408/206,864,495.10 - Step 6: Final answer
x = 137,590,227.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.