Finding the Fourth Proportional to 97,112,011.44, 134,013,010.68 and 53,058,063.60
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Solution
The fourth proportional to 97,112,011.44, 134,013,010.68 and 53,058,063.60 is: 73,219,272.66
Step by Step Solution
- Step 1: Write the proportion equation
97,112,011.44 : 134,013,010.68 = 53,058,063.60 : x - Step 2: Convert to fraction form
97,112,011.44/134,013,010.68 = 53,058,063.60/x - Step 3: Cross multiply
97,112,011.44x = 134,013,010.68 × 53,058,063.60 - Step 4: Simplify right side
97,112,011.44x = 7,110,470,843,886,920 - Step 5: Solve for x
x = 7,110,470,843,886,920/97,112,011.44 - Step 6: Final answer
x = 73,219,272.66
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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.