Finding the Fourth Proportional to 263,242,756.76, 363,270,537.72 and 145,765,564.72
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Solution
The fourth proportional to 263,242,756.76, 363,270,537.72 and 145,765,564.72 is: 201,154,006.02
Step by Step Solution
- Step 1: Write the proportion equation
263,242,756.76 : 363,270,537.72 = 145,765,564.72 : x - Step 2: Convert to fraction form
263,242,756.76/363,270,537.72 = 145,765,564.72/x - Step 3: Cross multiply
263,242,756.76x = 363,270,537.72 × 145,765,564.72 - Step 4: Simplify right side
263,242,756.76x = 52,952,335,076,893,864 - Step 5: Solve for x
x = 52,952,335,076,893,864/263,242,756.76 - Step 6: Final answer
x = 201,154,006.02
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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.