Finding the Fourth Proportional to 379,032,267.08, 568,548,400.78 and 136,695,171.08
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Solution
The fourth proportional to 379,032,267.08, 568,548,400.78 and 136,695,171.08 is: 205,042,756.68
Step by Step Solution
- Step 1: Write the proportion equation
379,032,267.08 : 568,548,400.78 = 136,695,171.08 : x - Step 2: Convert to fraction form
379,032,267.08/568,548,400.78 = 136,695,171.08/x - Step 3: Cross multiply
379,032,267.08x = 568,548,400.78 × 136,695,171.08 - Step 4: Simplify right side
379,032,267.08x = 77,717,820,911,882,512 - Step 5: Solve for x
x = 77,717,820,911,882,512/379,032,267.08 - Step 6: Final answer
x = 205,042,756.68
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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.