Finding the Fourth Proportional to 95,558,156.28, 142,639,623.58 and 81,998,439.14
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Solution
The fourth proportional to 95,558,156.28, 142,639,623.58 and 81,998,439.14 is: 122,399,038.96
Step by Step Solution
- Step 1: Write the proportion equation
95,558,156.28 : 142,639,623.58 = 81,998,439.14 : x - Step 2: Convert to fraction form
95,558,156.28/142,639,623.58 = 81,998,439.14/x - Step 3: Cross multiply
95,558,156.28x = 142,639,623.58 × 81,998,439.14 - Step 4: Simplify right side
95,558,156.28x = 11,696,226,493,077,140 - Step 5: Solve for x
x = 11,696,226,493,077,140/95,558,156.28 - Step 6: Final answer
x = 122,399,038.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.