Finding the Fourth Proportional to 265,558,128.75, 366,470,217.69 and 155,549,841.75
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Solution
The fourth proportional to 265,558,128.75, 366,470,217.69 and 155,549,841.75 is: 214,658,781.62
Step by Step Solution
- Step 1: Write the proportion equation
265,558,128.75 : 366,470,217.69 = 155,549,841.75 : x - Step 2: Convert to fraction form
265,558,128.75/366,470,217.69 = 155,549,841.75/x - Step 3: Cross multiply
265,558,128.75x = 366,470,217.69 × 155,549,841.75 - Step 4: Simplify right side
265,558,128.75x = 57,004,384,367,767,552 - Step 5: Solve for x
x = 57,004,384,367,767,552/265,558,128.75 - Step 6: Final answer
x = 214,658,781.62
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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.