Finding the Fourth Proportional to 220,147,731.14, 303,804,064.42 and 121,030,164.91
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Solution
The fourth proportional to 220,147,731.14, 303,804,064.42 and 121,030,164.91 is: 167,021,735.02
Step by Step Solution
- Step 1: Write the proportion equation
220,147,731.14 : 303,804,064.42 = 121,030,164.91 : x - Step 2: Convert to fraction form
220,147,731.14/303,804,064.42 = 121,030,164.91/x - Step 3: Cross multiply
220,147,731.14x = 303,804,064.42 × 121,030,164.91 - Step 4: Simplify right side
220,147,731.14x = 36,769,456,016,018,776 - Step 5: Solve for x
x = 36,769,456,016,018,776/220,147,731.14 - Step 6: Final answer
x = 167,021,735.02
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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.