Finding the Fourth Proportional to 291,418,548.21, 437,079,941.37 and 104,633,824.68
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Solution
The fourth proportional to 291,418,548.21, 437,079,941.37 and 104,633,824.68 is: 156,933,545.37
Step by Step Solution
- Step 1: Write the proportion equation
291,418,548.21 : 437,079,941.37 = 104,633,824.68 : x - Step 2: Convert to fraction form
291,418,548.21/437,079,941.37 = 104,633,824.68/x - Step 3: Cross multiply
291,418,548.21x = 437,079,941.37 × 104,633,824.68 - Step 4: Simplify right side
291,418,548.21x = 45,733,345,956,453,264 - Step 5: Solve for x
x = 45,733,345,956,453,264/291,418,548.21 - Step 6: Final answer
x = 156,933,545.37
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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.