Finding the Fourth Proportional to 79,442,465.34, 119,161,495.21 and 21,150,643.44
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Solution
The fourth proportional to 79,442,465.34, 119,161,495.21 and 21,150,643.44 is: 31,725,378.69
Step by Step Solution
- Step 1: Write the proportion equation
79,442,465.34 : 119,161,495.21 = 21,150,643.44 : x - Step 2: Convert to fraction form
79,442,465.34/119,161,495.21 = 21,150,643.44/x - Step 3: Cross multiply
79,442,465.34x = 119,161,495.21 × 21,150,643.44 - Step 4: Simplify right side
79,442,465.34x = 2,520,342,296,963,978 - Step 5: Solve for x
x = 2,520,342,296,963,978/79,442,465.34 - Step 6: Final answer
x = 31,725,378.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.