Finding the Fourth Proportional to 81,420,646.04, 122,191,514.14 and 32,898,921.74
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Solution
The fourth proportional to 81,420,646.04, 122,191,514.14 and 32,898,921.74 is: 49,372,846.53
Step by Step Solution
- Step 1: Write the proportion equation
81,420,646.04 : 122,191,514.14 = 32,898,921.74 : x - Step 2: Convert to fraction form
81,420,646.04/122,191,514.14 = 32,898,921.74/x - Step 3: Cross multiply
81,420,646.04x = 122,191,514.14 × 32,898,921.74 - Step 4: Simplify right side
81,420,646.04x = 4,019,969,060,983,963 - Step 5: Solve for x
x = 4,019,969,060,983,963/81,420,646.04 - Step 6: Final answer
x = 49,372,846.53
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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.