Finding the Fourth Proportional to 90,332,491.88, 135,205,582.61 and 48,775,597.94
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Solution
The fourth proportional to 90,332,491.88, 135,205,582.61 and 48,775,597.94 is: 73,005,105.90
Step by Step Solution
- Step 1: Write the proportion equation
90,332,491.88 : 135,205,582.61 = 48,775,597.94 : x - Step 2: Convert to fraction form
90,332,491.88/135,205,582.61 = 48,775,597.94/x - Step 3: Cross multiply
90,332,491.88x = 135,205,582.61 × 48,775,597.94 - Step 4: Simplify right side
90,332,491.88x = 6,594,733,135,708,910 - Step 5: Solve for x
x = 6,594,733,135,708,910/90,332,491.88 - Step 6: Final answer
x = 73,005,105.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.