Finding the Fourth Proportional to 274,864,371.84, 412,493,264.74 and 99,987,067.78
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Solution
The fourth proportional to 274,864,371.84, 412,493,264.74 and 99,987,067.78 is: 150,052,157.52
Step by Step Solution
- Step 1: Write the proportion equation
274,864,371.84 : 412,493,264.74 = 99,987,067.78 : x - Step 2: Convert to fraction form
274,864,371.84/412,493,264.74 = 99,987,067.78/x - Step 3: Cross multiply
274,864,371.84x = 412,493,264.74 × 99,987,067.78 - Step 4: Simplify right side
274,864,371.84x = 41,243,992,019,445,616 - Step 5: Solve for x
x = 41,243,992,019,445,616/274,864,371.84 - Step 6: Final answer
x = 150,052,157.52
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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.