Finding the Fourth Proportional to 187,542,163.62, 258,804,760.35 and 103,909,989.18
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Solution
The fourth proportional to 187,542,163.62, 258,804,760.35 and 103,909,989.18 is: 143,393,887.16
Step by Step Solution
- Step 1: Write the proportion equation
187,542,163.62 : 258,804,760.35 = 103,909,989.18 : x - Step 2: Convert to fraction form
187,542,163.62/258,804,760.35 = 103,909,989.18/x - Step 3: Cross multiply
187,542,163.62x = 258,804,760.35 × 103,909,989.18 - Step 4: Simplify right side
187,542,163.62x = 26,892,399,847,700,996 - Step 5: Solve for x
x = 26,892,399,847,700,996/187,542,163.62 - Step 6: Final answer
x = 143,393,887.16
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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.