Finding the Fourth Proportional to 69,862,245.87, 96,407,638.38 and 40,097,793.09
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Solution
The fourth proportional to 69,862,245.87, 96,407,638.38 and 40,097,793.09 is: 55,333,656.80
Step by Step Solution
- Step 1: Write the proportion equation
69,862,245.87 : 96,407,638.38 = 40,097,793.09 : x - Step 2: Convert to fraction form
69,862,245.87/96,407,638.38 = 40,097,793.09/x - Step 3: Cross multiply
69,862,245.87x = 96,407,638.38 × 40,097,793.09 - Step 4: Simplify right side
69,862,245.87x = 3,865,733,536,056,783 - Step 5: Solve for x
x = 3,865,733,536,056,783/69,862,245.87 - Step 6: Final answer
x = 55,333,656.80
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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.