Finding the Fourth Proportional to 320,699,388.06, 442,566,369.30 and 174,021,672.06
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Solution
The fourth proportional to 320,699,388.06, 442,566,369.30 and 174,021,672.06 is: 240,150,566.08
Step by Step Solution
- Step 1: Write the proportion equation
320,699,388.06 : 442,566,369.30 = 174,021,672.06 : x - Step 2: Convert to fraction form
320,699,388.06/442,566,369.30 = 174,021,672.06/x - Step 3: Cross multiply
320,699,388.06x = 442,566,369.30 × 174,021,672.06 - Step 4: Simplify right side
320,699,388.06x = 77,016,139,583,109,456 - Step 5: Solve for x
x = 77,016,139,583,109,456/320,699,388.06 - Step 6: Final answer
x = 240,150,566.08
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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.