Finding the Fourth Proportional to 115,909,739.80, 173,976,584.10 and 70,560,107.80
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Solution
The fourth proportional to 115,909,739.80, 173,976,584.10 and 70,560,107.80 is: 105,908,326.17
Step by Step Solution
- Step 1: Write the proportion equation
115,909,739.80 : 173,976,584.10 = 70,560,107.80 : x - Step 2: Convert to fraction form
115,909,739.80/173,976,584.10 = 70,560,107.80/x - Step 3: Cross multiply
115,909,739.80x = 173,976,584.10 × 70,560,107.80 - Step 4: Simplify right side
115,909,739.80x = 12,275,806,528,771,766 - Step 5: Solve for x
x = 12,275,806,528,771,766/115,909,739.80 - Step 6: Final answer
x = 105,908,326.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.