Finding the Fourth Proportional to 239,171,368.37, 358,722,987.75 and 75,387,839.63
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Solution
The fourth proportional to 239,171,368.37, 358,722,987.75 and 75,387,839.63 is: 113,071,022.07
Step by Step Solution
- Step 1: Write the proportion equation
239,171,368.37 : 358,722,987.75 = 75,387,839.63 : x - Step 2: Convert to fraction form
239,171,368.37/358,722,987.75 = 75,387,839.63/x - Step 3: Cross multiply
239,171,368.37x = 358,722,987.75 × 75,387,839.63 - Step 4: Simplify right side
239,171,368.37x = 27,043,351,070,297,840 - Step 5: Solve for x
x = 27,043,351,070,297,840/239,171,368.37 - Step 6: Final answer
x = 113,071,022.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.