Finding the Fourth Proportional to 71,001,544,529.36, 97,985,211,446.34 and 39,319,157,873.36
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Solution
The fourth proportional to 71,001,544,529.36, 97,985,211,446.34 and 39,319,157,873.36 is: 54,262,143,501.96
Step by Step Solution
- Step 1: Write the proportion equation
71,001,544,529.36 : 97,985,211,446.34 = 39,319,157,873.36 : x - Step 2: Convert to fraction form
71,001,544,529.36/97,985,211,446.34 = 39,319,157,873.36/x - Step 3: Cross multiply
71,001,544,529.36x = 97,985,211,446.34 × 39,319,157,873.36 - Step 4: Simplify right side
71,001,544,529.36x = 3,852,695,998,112,713,932,800 - Step 5: Solve for x
x = 3,852,695,998,112,713,932,800/71,001,544,529.36 - Step 6: Final answer
x = 54,262,143,501.96
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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.