Finding the Fourth Proportional to 159,561,219.78, 220,110,743.94 and 129,825,118.49
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Solution
The fourth proportional to 159,561,219.78, 220,110,743.94 and 129,825,118.49 is: 179,090,529.97
Step by Step Solution
- Step 1: Write the proportion equation
159,561,219.78 : 220,110,743.94 = 129,825,118.49 : x - Step 2: Convert to fraction form
159,561,219.78/220,110,743.94 = 129,825,118.49/x - Step 3: Cross multiply
159,561,219.78x = 220,110,743.94 × 129,825,118.49 - Step 4: Simplify right side
159,561,219.78x = 28,575,903,413,315,288 - Step 5: Solve for x
x = 28,575,903,413,315,288/159,561,219.78 - Step 6: Final answer
x = 179,090,529.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.