Finding the Fourth Proportional to 276,780,269.92, 381,964,746 and 153,028,936.48
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Solution
The fourth proportional to 276,780,269.92, 381,964,746 and 153,028,936.48 is: 211,184,340.81
Step by Step Solution
- Step 1: Write the proportion equation
276,780,269.92 : 381,964,746 = 153,028,936.48 : x - Step 2: Convert to fraction form
276,780,269.92/381,964,746 = 153,028,936.48/x - Step 3: Cross multiply
276,780,269.92x = 381,964,746 × 153,028,936.48 - Step 4: Simplify right side
276,780,269.92x = 58,451,658,853,233,328 - Step 5: Solve for x
x = 58,451,658,853,233,328/276,780,269.92 - Step 6: Final answer
x = 211,184,340.81
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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.