Finding the Fourth Proportional to 138,757,252.98, 208,055,203.79 and 52,502,311.98
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Solution
The fourth proportional to 138,757,252.98, 208,055,203.79 and 52,502,311.98 is: 78,722,942.29
Step by Step Solution
- Step 1: Write the proportion equation
138,757,252.98 : 208,055,203.79 = 52,502,311.98 : x - Step 2: Convert to fraction form
138,757,252.98/208,055,203.79 = 52,502,311.98/x - Step 3: Cross multiply
138,757,252.98x = 208,055,203.79 × 52,502,311.98 - Step 4: Simplify right side
138,757,252.98x = 10,923,379,218,445,058 - Step 5: Solve for x
x = 10,923,379,218,445,058/138,757,252.98 - Step 6: Final answer
x = 78,722,942.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.