Finding the Fourth Proportional to 86,756,773.05, 119,725,568.37 and 47,597,838.21
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Solution
The fourth proportional to 86,756,773.05, 119,725,568.37 and 47,597,838.21 is: 65,685,686.92
Step by Step Solution
- Step 1: Write the proportion equation
86,756,773.05 : 119,725,568.37 = 47,597,838.21 : x - Step 2: Convert to fraction form
86,756,773.05/119,725,568.37 = 47,597,838.21/x - Step 3: Cross multiply
86,756,773.05x = 119,725,568.37 × 47,597,838.21 - Step 4: Simplify right side
86,756,773.05x = 5,698,678,232,875,554 - Step 5: Solve for x
x = 5,698,678,232,875,554/86,756,773.05 - Step 6: Final answer
x = 65,685,686.92
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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.