Finding the Fourth Proportional to 95,558,154.27, 142,639,620.60 and 81,998,437.14
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Solution
The fourth proportional to 95,558,154.27, 142,639,620.60 and 81,998,437.14 is: 122,399,035.99
Step by Step Solution
- Step 1: Write the proportion equation
95,558,154.27 : 142,639,620.60 = 81,998,437.14 : x - Step 2: Convert to fraction form
95,558,154.27/142,639,620.60 = 81,998,437.14/x - Step 3: Cross multiply
95,558,154.27x = 142,639,620.60 × 81,998,437.14 - Step 4: Simplify right side
95,558,154.27x = 11,696,225,963,442,548 - Step 5: Solve for x
x = 11,696,225,963,442,548/95,558,154.27 - Step 6: Final answer
x = 122,399,035.99
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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.