Finding the Fourth Proportional to 240,072,536.29, 331,295,781.43 and 135,648,365.62
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Solution
The fourth proportional to 240,072,536.29, 331,295,781.43 and 135,648,365.62 is: 187,192,304.39
Step by Step Solution
- Step 1: Write the proportion equation
240,072,536.29 : 331,295,781.43 = 135,648,365.62 : x - Step 2: Convert to fraction form
240,072,536.29/331,295,781.43 = 135,648,365.62/x - Step 3: Cross multiply
240,072,536.29x = 331,295,781.43 × 135,648,365.62 - Step 4: Simplify right side
240,072,536.29x = 44,939,731,287,780,248 - Step 5: Solve for x
x = 44,939,731,287,780,248/240,072,536.29 - Step 6: Final answer
x = 187,192,304.39
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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.