Finding the Fourth Proportional to 290,747,126.24, 401,231,035.50 and 158,588,115.92
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Solution
The fourth proportional to 290,747,126.24, 401,231,035.50 and 158,588,115.92 is: 218,851,600.67
Step by Step Solution
- Step 1: Write the proportion equation
290,747,126.24 : 401,231,035.50 = 158,588,115.92 : x - Step 2: Convert to fraction form
290,747,126.24/401,231,035.50 = 158,588,115.92/x - Step 3: Cross multiply
290,747,126.24x = 401,231,035.50 × 158,588,115.92 - Step 4: Simplify right side
290,747,126.24x = 63,630,473,968,575,632 - Step 5: Solve for x
x = 63,630,473,968,575,632/290,747,126.24 - Step 6: Final answer
x = 218,851,600.67
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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.