Finding the Fourth Proportional to 239,765,557.02, 330,876,464.67 and 129,757,270.02
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Solution
The fourth proportional to 239,765,557.02, 330,876,464.67 and 129,757,270.02 is: 179,065,030.45
Step by Step Solution
- Step 1: Write the proportion equation
239,765,557.02 : 330,876,464.67 = 129,757,270.02 : x - Step 2: Convert to fraction form
239,765,557.02/330,876,464.67 = 129,757,270.02/x - Step 3: Cross multiply
239,765,557.02x = 330,876,464.67 × 129,757,270.02 - Step 4: Simplify right side
239,765,557.02x = 42,933,626,769,448,184 - Step 5: Solve for x
x = 42,933,626,769,448,184/239,765,557.02 - Step 6: Final answer
x = 179,065,030.45
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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.