Finding the Fourth Proportional to 108,438,490.13, 149,646,191.65 and 58,879,269.97
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Solution
The fourth proportional to 108,438,490.13, 149,646,191.65 and 58,879,269.97 is: 81,253,976.40
Step by Step Solution
- Step 1: Write the proportion equation
108,438,490.13 : 149,646,191.65 = 58,879,269.97 : x - Step 2: Convert to fraction form
108,438,490.13/149,646,191.65 = 58,879,269.97/x - Step 3: Cross multiply
108,438,490.13x = 149,646,191.65 × 58,879,269.97 - Step 4: Simplify right side
108,438,490.13x = 8,811,058,517,621,397 - Step 5: Solve for x
x = 8,811,058,517,621,397/108,438,490.13 - Step 6: Final answer
x = 81,253,976.40
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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.