Finding the Fourth Proportional to 86,756,689.05, 119,725,452.45 and 47,597,754.21
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Solution
The fourth proportional to 86,756,689.05, 119,725,452.45 and 47,597,754.21 is: 65,685,571.00
Step by Step Solution
- Step 1: Write the proportion equation
86,756,689.05 : 119,725,452.45 = 47,597,754.21 : x - Step 2: Convert to fraction form
86,756,689.05/119,725,452.45 = 47,597,754.21/x - Step 3: Cross multiply
86,756,689.05x = 119,725,452.45 × 47,597,754.21 - Step 4: Simplify right side
86,756,689.05x = 5,698,662,658,396,143 - Step 5: Solve for x
x = 5,698,662,658,396,143/86,756,689.05 - Step 6: Final answer
x = 65,685,571.00
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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.