Finding the Fourth Proportional to 142,832,083.53, 197,110,434.99 and 80,122,082.49
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Solution
The fourth proportional to 142,832,083.53, 197,110,434.99 and 80,122,082.49 is: 110,569,685.34
Step by Step Solution
- Step 1: Write the proportion equation
142,832,083.53 : 197,110,434.99 = 80,122,082.49 : x - Step 2: Convert to fraction form
142,832,083.53/197,110,434.99 = 80,122,082.49/x - Step 3: Cross multiply
142,832,083.53x = 197,110,434.99 × 80,122,082.49 - Step 4: Simplify right side
142,832,083.53x = 15,792,898,532,209,020 - Step 5: Solve for x
x = 15,792,898,532,209,020/142,832,083.53 - Step 6: Final answer
x = 110,569,685.34
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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.