Finding the Fourth Proportional to 129,349,026.35, 194,023,539.53 and 116,594,442.35
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Solution
The fourth proportional to 129,349,026.35, 194,023,539.53 and 116,594,442.35 is: 174,891,663.53
Step by Step Solution
- Step 1: Write the proportion equation
129,349,026.35 : 194,023,539.53 = 116,594,442.35 : x - Step 2: Convert to fraction form
129,349,026.35/194,023,539.53 = 116,594,442.35/x - Step 3: Cross multiply
129,349,026.35x = 194,023,539.53 × 116,594,442.35 - Step 4: Simplify right side
129,349,026.35x = 22,622,066,393,690,560 - Step 5: Solve for x
x = 22,622,066,393,690,560/129,349,026.35 - Step 6: Final answer
x = 174,891,663.53
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1.5x scale
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.