Finding the Fourth Proportional to 58,720,373.20, 81,040,465.98 and 35,528,287.96
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Solution
The fourth proportional to 58,720,373.20, 81,040,465.98 and 35,528,287.96 is: 49,032,879.98
Step by Step Solution
- Step 1: Write the proportion equation
58,720,373.20 : 81,040,465.98 = 35,528,287.96 : x - Step 2: Convert to fraction form
58,720,373.20/81,040,465.98 = 35,528,287.96/x - Step 3: Cross multiply
58,720,373.20x = 81,040,465.98 × 35,528,287.96 - Step 4: Simplify right side
58,720,373.20x = 2,879,229,011,750,024 - Step 5: Solve for x
x = 2,879,229,011,750,024/58,720,373.20 - Step 6: Final answer
x = 49,032,879.98
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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.