Finding the Fourth Proportional to 51,486,521.63, 71,034,099.32 and 29,156,464.31
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Solution
The fourth proportional to 51,486,521.63, 71,034,099.32 and 29,156,464.31 is: 40,226,123.58
Step by Step Solution
- Step 1: Write the proportion equation
51,486,521.63 : 71,034,099.32 = 29,156,464.31 : x - Step 2: Convert to fraction form
51,486,521.63/71,034,099.32 = 29,156,464.31/x - Step 3: Cross multiply
51,486,521.63x = 71,034,099.32 × 29,156,464.31 - Step 4: Simplify right side
51,486,521.63x = 2,071,103,181,334,296 - Step 5: Solve for x
x = 2,071,103,181,334,296/51,486,521.63 - Step 6: Final answer
x = 40,226,123.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.