Finding the Fourth Proportional to 68,163,253.76, 94,052,627.52 and 38,792,840.06
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Solution
The fourth proportional to 68,163,253.76, 94,052,627.52 and 38,792,840.06 is: 53,526,912.75
Step by Step Solution
- Step 1: Write the proportion equation
68,163,253.76 : 94,052,627.52 = 38,792,840.06 : x - Step 2: Convert to fraction form
68,163,253.76/94,052,627.52 = 38,792,840.06/x - Step 3: Cross multiply
68,163,253.76x = 94,052,627.52 × 38,792,840.06 - Step 4: Simplify right side
68,163,253.76x = 3,648,568,536,606,114.50 - Step 5: Solve for x
x = 3,648,568,536,606,114.50/68,163,253.76 - Step 6: Final answer
x = 53,526,912.75
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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.