Finding the Fourth Proportional to 320,810,138.93, 442,706,536.99 and 181,577,911.34
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Solution
The fourth proportional to 320,810,138.93, 442,706,536.99 and 181,577,911.34 is: 250,571,034.29
Step by Step Solution
- Step 1: Write the proportion equation
320,810,138.93 : 442,706,536.99 = 181,577,911.34 : x - Step 2: Convert to fraction form
320,810,138.93/442,706,536.99 = 181,577,911.34/x - Step 3: Cross multiply
320,810,138.93x = 442,706,536.99 × 181,577,911.34 - Step 4: Simplify right side
320,810,138.93x = 80,385,728,323,208,656 - Step 5: Solve for x
x = 80,385,728,323,208,656/320,810,138.93 - Step 6: Final answer
x = 250,571,034.29
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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.