Finding the Fourth Proportional to 258,660,737.04, 387,987,451.17 and 120,409,018.14
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Solution
The fourth proportional to 258,660,737.04, 387,987,451.17 and 120,409,018.14 is: 180,611,826.06
Step by Step Solution
- Step 1: Write the proportion equation
258,660,737.04 : 387,987,451.17 = 120,409,018.14 : x - Step 2: Convert to fraction form
258,660,737.04/387,987,451.17 = 120,409,018.14/x - Step 3: Cross multiply
258,660,737.04x = 387,987,451.17 × 120,409,018.14 - Step 4: Simplify right side
258,660,737.04x = 46,717,188,046,020,896 - Step 5: Solve for x
x = 46,717,188,046,020,896/258,660,737.04 - Step 6: Final answer
x = 180,611,826.06
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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.