Finding the Fourth Proportional to 91,735,638.75, 126,595,202.04 and 50,482,531.08
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Solution
The fourth proportional to 91,735,638.75, 126,595,202.04 and 50,482,531.08 is: 69,665,904.21
Step by Step Solution
- Step 1: Write the proportion equation
91,735,638.75 : 126,595,202.04 = 50,482,531.08 : x - Step 2: Convert to fraction form
91,735,638.75/126,595,202.04 = 50,482,531.08/x - Step 3: Cross multiply
91,735,638.75x = 126,595,202.04 × 50,482,531.08 - Step 4: Simplify right side
91,735,638.75x = 6,390,846,221,563,180 - Step 5: Solve for x
x = 6,390,846,221,563,180/91,735,638.75 - Step 6: Final answer
x = 69,665,904.21
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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.