Finding the Fourth Proportional to 276,194,673.54, 381,146,771.97 and 152,435,347.02
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Solution
The fourth proportional to 276,194,673.54, 381,146,771.97 and 152,435,347.02 is: 210,359,742.66
Step by Step Solution
- Step 1: Write the proportion equation
276,194,673.54 : 381,146,771.97 = 152,435,347.02 : x - Step 2: Convert to fraction form
276,194,673.54/381,146,771.97 = 152,435,347.02/x - Step 3: Cross multiply
276,194,673.54x = 381,146,771.97 × 152,435,347.02 - Step 4: Simplify right side
276,194,673.54x = 58,100,240,450,799,768 - Step 5: Solve for x
x = 58,100,240,450,799,768/276,194,673.54 - Step 6: Final answer
x = 210,359,742.66
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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.