Finding the Fourth Proportional to 75,528,128.74, 113,398,185.66 and 38,666,347.42
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Solution
The fourth proportional to 75,528,128.74, 113,398,185.66 and 38,666,347.42 is: 58,053,783.63
Step by Step Solution
- Step 1: Write the proportion equation
75,528,128.74 : 113,398,185.66 = 38,666,347.42 : x - Step 2: Convert to fraction form
75,528,128.74/113,398,185.66 = 38,666,347.42/x - Step 3: Cross multiply
75,528,128.74x = 113,398,185.66 × 38,666,347.42 - Step 4: Simplify right side
75,528,128.74x = 4,384,693,643,527,222 - Step 5: Solve for x
x = 4,384,693,643,527,222/75,528,128.74 - Step 6: Final answer
x = 58,053,783.63
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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.