Finding the Fourth Proportional to 224,647,570.98, 310,044,444.84 and 129,276,119.70
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Solution
The fourth proportional to 224,647,570.98, 310,044,444.84 and 129,276,119.70 is: 178,418,767.62
Step by Step Solution
- Step 1: Write the proportion equation
224,647,570.98 : 310,044,444.84 = 129,276,119.70 : x - Step 2: Convert to fraction form
224,647,570.98/310,044,444.84 = 129,276,119.70/x - Step 3: Cross multiply
224,647,570.98x = 310,044,444.84 × 129,276,119.70 - Step 4: Simplify right side
224,647,570.98x = 40,081,342,763,455,888 - Step 5: Solve for x
x = 40,081,342,763,455,888/224,647,570.98 - Step 6: Final answer
x = 178,418,767.62
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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.