Finding the Fourth Proportional to 147,217,427.82, 203,168,039.79 and 84,493,024.29
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Solution
The fourth proportional to 147,217,427.82, 203,168,039.79 and 84,493,024.29 is: 116,604,958.90
Step by Step Solution
- Step 1: Write the proportion equation
147,217,427.82 : 203,168,039.79 = 84,493,024.29 : x - Step 2: Convert to fraction form
147,217,427.82/203,168,039.79 = 84,493,024.29/x - Step 3: Cross multiply
147,217,427.82x = 203,168,039.79 × 84,493,024.29 - Step 4: Simplify right side
147,217,427.82x = 17,166,282,120,928,158 - Step 5: Solve for x
x = 17,166,282,120,928,158/147,217,427.82 - Step 6: Final answer
x = 116,604,958.90
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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.