Finding the Fourth Proportional to 230,743,583.14, 318,426,105.16 and 124,896,977.48
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Solution
The fourth proportional to 230,743,583.14, 318,426,105.16 and 124,896,977.48 is: 172,357,807.50
Step by Step Solution
- Step 1: Write the proportion equation
230,743,583.14 : 318,426,105.16 = 124,896,977.48 : x - Step 2: Convert to fraction form
230,743,583.14/318,426,105.16 = 124,896,977.48/x - Step 3: Cross multiply
230,743,583.14x = 318,426,105.16 × 124,896,977.48 - Step 4: Simplify right side
230,743,583.14x = 39,770,458,083,620,504 - Step 5: Solve for x
x = 39,770,458,083,620,504/230,743,583.14 - Step 6: Final answer
x = 172,357,807.50
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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.