Finding the Fourth Proportional to 98,111,529.98, 135,351,368.38 and 58,396,791.80
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Solution
The fourth proportional to 98,111,529.98, 135,351,368.38 and 58,396,791.80 is: 80,562,250.74
Step by Step Solution
- Step 1: Write the proportion equation
98,111,529.98 : 135,351,368.38 = 58,396,791.80 : x - Step 2: Convert to fraction form
98,111,529.98/135,351,368.38 = 58,396,791.80/x - Step 3: Cross multiply
98,111,529.98x = 135,351,368.38 × 58,396,791.80 - Step 4: Simplify right side
98,111,529.98x = 7,904,085,679,131,963 - Step 5: Solve for x
x = 7,904,085,679,131,963/98,111,529.98 - Step 6: Final answer
x = 80,562,250.74
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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.