Finding the Fourth Proportional to 240,354,609.75, 331,703,346.51 and 134,507,129.94
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Solution
The fourth proportional to 240,354,609.75, 331,703,346.51 and 134,507,129.94 is: 185,627,665.63
Step by Step Solution
- Step 1: Write the proportion equation
240,354,609.75 : 331,703,346.51 = 134,507,129.94 : x - Step 2: Convert to fraction form
240,354,609.75/331,703,346.51 = 134,507,129.94/x - Step 3: Cross multiply
240,354,609.75x = 331,703,346.51 × 134,507,129.94 - Step 4: Simplify right side
240,354,609.75x = 44,616,465,130,553,416 - Step 5: Solve for x
x = 44,616,465,130,553,416/240,354,609.75 - Step 6: Final answer
x = 185,627,665.63
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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.