Finding the Fourth Proportional to 142,430,048.68, 213,638,652.96 and 59,397,609.64
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Solution
The fourth proportional to 142,430,048.68, 213,638,652.96 and 59,397,609.64 is: 89,093,737.10
Step by Step Solution
- Step 1: Write the proportion equation
142,430,048.68 : 213,638,652.96 = 59,397,609.64 : x - Step 2: Convert to fraction form
142,430,048.68/213,638,652.96 = 59,397,609.64/x - Step 3: Cross multiply
142,430,048.68x = 213,638,652.96 × 59,397,609.64 - Step 4: Simplify right side
142,430,048.68x = 12,689,625,312,533,512 - Step 5: Solve for x
x = 12,689,625,312,533,512/142,430,048.68 - Step 6: Final answer
x = 89,093,737.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.