Finding the Fourth Proportional to 274,105,933.68, 378,350,878.68 and 176,320,798.32
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Solution
The fourth proportional to 274,105,933.68, 378,350,878.68 and 176,320,798.32 is: 243,377,179.32
Step by Step Solution
- Step 1: Write the proportion equation
274,105,933.68 : 378,350,878.68 = 176,320,798.32 : x - Step 2: Convert to fraction form
274,105,933.68/378,350,878.68 = 176,320,798.32/x - Step 3: Cross multiply
274,105,933.68x = 378,350,878.68 × 176,320,798.32 - Step 4: Simplify right side
274,105,933.68x = 66,711,128,973,931,064 - Step 5: Solve for x
x = 66,711,128,973,931,064/274,105,933.68 - Step 6: Final answer
x = 243,377,179.32
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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.