Finding the Fourth Proportional to 141,880,827.18, 195,796,949.88 and 79,156,395.99
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Solution
The fourth proportional to 141,880,827.18, 195,796,949.88 and 79,156,395.99 is: 109,236,612.21
Step by Step Solution
- Step 1: Write the proportion equation
141,880,827.18 : 195,796,949.88 = 79,156,395.99 : x - Step 2: Convert to fraction form
141,880,827.18/195,796,949.88 = 79,156,395.99/x - Step 3: Cross multiply
141,880,827.18x = 195,796,949.88 × 79,156,395.99 - Step 4: Simplify right side
141,880,827.18x = 15,498,580,898,335,462 - Step 5: Solve for x
x = 15,498,580,898,335,462/141,880,827.18 - Step 6: Final answer
x = 109,236,612.21
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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.