Finding the Fourth Proportional to 132,408,919.08, 182,721,445.11 and 76,656,690.36
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Solution
The fourth proportional to 132,408,919.08, 182,721,445.11 and 76,656,690.36 is: 105,784,575.07
Step by Step Solution
- Step 1: Write the proportion equation
132,408,919.08 : 182,721,445.11 = 76,656,690.36 : x - Step 2: Convert to fraction form
132,408,919.08/182,721,445.11 = 76,656,690.36/x - Step 3: Cross multiply
132,408,919.08x = 182,721,445.11 × 76,656,690.36 - Step 4: Simplify right side
132,408,919.08x = 14,006,821,239,929,008 - Step 5: Solve for x
x = 14,006,821,239,929,008/132,408,919.08 - Step 6: Final answer
x = 105,784,575.07
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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.