Finding the Fourth Proportional to 141,630,812.19, 195,445,937.19 and 81,289,737.99
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Solution
The fourth proportional to 141,630,812.19, 195,445,937.19 and 81,289,737.99 is: 112,177,207.63
Step by Step Solution
- Step 1: Write the proportion equation
141,630,812.19 : 195,445,937.19 = 81,289,737.99 : x - Step 2: Convert to fraction form
141,630,812.19/195,445,937.19 = 81,289,737.99/x - Step 3: Cross multiply
141,630,812.19x = 195,445,937.19 × 81,289,737.99 - Step 4: Simplify right side
141,630,812.19x = 15,887,749,025,385,096 - Step 5: Solve for x
x = 15,887,749,025,385,096/141,630,812.19 - Step 6: Final answer
x = 112,177,207.63
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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.