Finding the Fourth Proportional to 213,899,503.95, 295,183,048.87 and 118,531,605.75
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Solution
The fourth proportional to 213,899,503.95, 295,183,048.87 and 118,531,605.75 is: 163,574,576.50
Step by Step Solution
- Step 1: Write the proportion equation
213,899,503.95 : 295,183,048.87 = 118,531,605.75 : x - Step 2: Convert to fraction form
213,899,503.95/295,183,048.87 = 118,531,605.75/x - Step 3: Cross multiply
213,899,503.95x = 295,183,048.87 × 118,531,605.75 - Step 4: Simplify right side
213,899,503.95x = 34,988,520,772,149,168 - Step 5: Solve for x
x = 34,988,520,772,149,168/213,899,503.95 - Step 6: Final answer
x = 163,574,576.50
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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.