Finding the Fourth Proportional to 159,596,793.64, 220,239,176.34 and 89,981,570.44
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Solution
The fourth proportional to 159,596,793.64, 220,239,176.34 and 89,981,570.44 is: 124,172,087.09
Step by Step Solution
- Step 1: Write the proportion equation
159,596,793.64 : 220,239,176.34 = 89,981,570.44 : x - Step 2: Convert to fraction form
159,596,793.64/220,239,176.34 = 89,981,570.44/x - Step 3: Cross multiply
159,596,793.64x = 220,239,176.34 × 89,981,570.44 - Step 4: Simplify right side
159,596,793.64x = 19,817,466,959,485,292 - Step 5: Solve for x
x = 19,817,466,959,485,292/159,596,793.64 - Step 6: Final answer
x = 124,172,087.09
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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.