Finding the Fourth Proportional to 115,467,893.84, 159,345,680.28 and 69,058,140.32
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Solution
The fourth proportional to 115,467,893.84, 159,345,680.28 and 69,058,140.32 is: 95,300,225.74
Step by Step Solution
- Step 1: Write the proportion equation
115,467,893.84 : 159,345,680.28 = 69,058,140.32 : x - Step 2: Convert to fraction form
115,467,893.84/159,345,680.28 = 69,058,140.32/x - Step 3: Cross multiply
115,467,893.84x = 159,345,680.28 × 69,058,140.32 - Step 4: Simplify right side
115,467,893.84x = 11,004,116,348,162,096 - Step 5: Solve for x
x = 11,004,116,348,162,096/115,467,893.84 - Step 6: Final answer
x = 95,300,225.74
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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.