Finding the Fourth Proportional to 342,478,313.94, 513,716,022.54 and 124,077,450.18
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Solution
The fourth proportional to 342,478,313.94, 513,716,022.54 and 124,077,450.18 is: 186,115,650.54
Step by Step Solution
- Step 1: Write the proportion equation
342,478,313.94 : 513,716,022.54 = 124,077,450.18 : x - Step 2: Convert to fraction form
342,478,313.94/513,716,022.54 = 124,077,450.18/x - Step 3: Cross multiply
342,478,313.94x = 513,716,022.54 × 124,077,450.18 - Step 4: Simplify right side
342,478,313.94x = 63,740,574,193,374,616 - Step 5: Solve for x
x = 63,740,574,193,374,616/342,478,313.94 - Step 6: Final answer
x = 186,115,650.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.