Finding the Fourth Proportional to 186,862,052.57, 257,877,008.33 and 107,476,987.05
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Solution
The fourth proportional to 186,862,052.57, 257,877,008.33 and 107,476,987.05 is: 148,322,484.44
Step by Step Solution
- Step 1: Write the proportion equation
186,862,052.57 : 257,877,008.33 = 107,476,987.05 : x - Step 2: Convert to fraction form
186,862,052.57/257,877,008.33 = 107,476,987.05/x - Step 3: Cross multiply
186,862,052.57x = 257,877,008.33 × 107,476,987.05 - Step 4: Simplify right side
186,862,052.57x = 27,715,843,884,238,764 - Step 5: Solve for x
x = 27,715,843,884,238,764/186,862,052.57 - Step 6: Final answer
x = 148,322,484.44
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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.