Finding the Fourth Proportional to 79,351,936.03, 109,521,781.97 and 45,862,837.61
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Solution
The fourth proportional to 79,351,936.03, 109,521,781.97 and 45,862,837.61 is: 63,300,027.09
Step by Step Solution
- Step 1: Write the proportion equation
79,351,936.03 : 109,521,781.97 = 45,862,837.61 : x - Step 2: Convert to fraction form
79,351,936.03/109,521,781.97 = 45,862,837.61/x - Step 3: Cross multiply
79,351,936.03x = 109,521,781.97 × 45,862,837.61 - Step 4: Simplify right side
79,351,936.03x = 5,022,979,700,471,013 - Step 5: Solve for x
x = 5,022,979,700,471,013/79,351,936.03 - Step 6: Final answer
x = 63,300,027.09
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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.