Finding the Fourth Proportional to 125,539,163.68, 173,258,560.56 and 73,341,247.36
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Solution
The fourth proportional to 125,539,163.68, 173,258,560.56 and 73,341,247.36 is: 101,219,400.98
Step by Step Solution
- Step 1: Write the proportion equation
125,539,163.68 : 173,258,560.56 = 73,341,247.36 : x - Step 2: Convert to fraction form
125,539,163.68/173,258,560.56 = 73,341,247.36/x - Step 3: Cross multiply
125,539,163.68x = 173,258,560.56 × 73,341,247.36 - Step 4: Simplify right side
125,539,163.68x = 12,706,998,947,268,500 - Step 5: Solve for x
x = 12,706,998,947,268,500/125,539,163.68 - Step 6: Final answer
x = 101,219,400.98
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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.