Finding the Fourth Proportional to 56,942,609.92, 78,580,390.76 and 30,836,522.08
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Solution
The fourth proportional to 56,942,609.92, 78,580,390.76 and 30,836,522.08 is: 42,554,177.94
Step by Step Solution
- Step 1: Write the proportion equation
56,942,609.92 : 78,580,390.76 = 30,836,522.08 : x - Step 2: Convert to fraction form
56,942,609.92/78,580,390.76 = 30,836,522.08/x - Step 3: Cross multiply
56,942,609.92x = 78,580,390.76 × 30,836,522.08 - Step 4: Simplify right side
56,942,609.92x = 2,423,145,954,725,768 - Step 5: Solve for x
x = 2,423,145,954,725,768/56,942,609.92 - Step 6: Final answer
x = 42,554,177.94
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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.