Finding the Fourth Proportional to 91,102,899.42, 125,722,001.16 and 49,849,791.84
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Solution
The fourth proportional to 91,102,899.42, 125,722,001.16 and 49,849,791.84 is: 68,792,712.72
Step by Step Solution
- Step 1: Write the proportion equation
91,102,899.42 : 125,722,001.16 = 49,849,791.84 : x - Step 2: Convert to fraction form
91,102,899.42/125,722,001.16 = 49,849,791.84/x - Step 3: Cross multiply
91,102,899.42x = 125,722,001.16 × 49,849,791.84 - Step 4: Simplify right side
91,102,899.42x = 6,267,215,587,534,239 - Step 5: Solve for x
x = 6,267,215,587,534,239/91,102,899.42 - Step 6: Final answer
x = 68,792,712.72
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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.