Finding the Fourth Proportional to 135,040,800.48, 186,353,875.46 and 76,302,204.48
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Solution
The fourth proportional to 135,040,800.48, 186,353,875.46 and 76,302,204.48 is: 105,295,669.61
Step by Step Solution
- Step 1: Write the proportion equation
135,040,800.48 : 186,353,875.46 = 76,302,204.48 : x - Step 2: Convert to fraction form
135,040,800.48/186,353,875.46 = 76,302,204.48/x - Step 3: Cross multiply
135,040,800.48x = 186,353,875.46 × 76,302,204.48 - Step 4: Simplify right side
135,040,800.48x = 14,219,211,510,607,864 - Step 5: Solve for x
x = 14,219,211,510,607,864/135,040,800.48 - Step 6: Final answer
x = 105,295,669.61
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1.5x scale
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.