Finding the Fourth Proportional to 304,320,721.58, 419,927,166.12 and 170,365,973.00
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Solution
The fourth proportional to 304,320,721.58, 419,927,166.12 and 170,365,973.00 is: 235,085,208.37
Step by Step Solution
- Step 1: Write the proportion equation
304,320,721.58 : 419,927,166.12 = 170,365,973.00 : x - Step 2: Convert to fraction form
304,320,721.58/419,927,166.12 = 170,365,973.00/x - Step 3: Cross multiply
304,320,721.58x = 419,927,166.12 × 170,365,973.00 - Step 4: Simplify right side
304,320,721.58x = 71,541,300,243,705,672 - Step 5: Solve for x
x = 71,541,300,243,705,672/304,320,721.58 - Step 6: Final answer
x = 235,085,208.37
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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.