Finding the Fourth Proportional to 276,058,484.70, 413,736,057.45 and 146,728,052.70
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Solution
The fourth proportional to 276,058,484.70, 413,736,057.45 and 146,728,052.70 is: 219,905,162.88
Step by Step Solution
- Step 1: Write the proportion equation
276,058,484.70 : 413,736,057.45 = 146,728,052.70 : x - Step 2: Convert to fraction form
276,058,484.70/413,736,057.45 = 146,728,052.70/x - Step 3: Cross multiply
276,058,484.70x = 413,736,057.45 × 146,728,052.70 - Step 4: Simplify right side
276,058,484.70x = 60,706,686,041,413,824 - Step 5: Solve for x
x = 60,706,686,041,413,824/276,058,484.70 - Step 6: Final answer
x = 219,905,162.88
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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.