Finding the Fourth Proportional to 83,707,421.40, 125,493,373.98 and 26,170,075.80
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Solution
The fourth proportional to 83,707,421.40, 125,493,373.98 and 26,170,075.80 is: 39,233,929.97
Step by Step Solution
- Step 1: Write the proportion equation
83,707,421.40 : 125,493,373.98 = 26,170,075.80 : x - Step 2: Convert to fraction form
83,707,421.40/125,493,373.98 = 26,170,075.80/x - Step 3: Cross multiply
83,707,421.40x = 125,493,373.98 × 26,170,075.80 - Step 4: Simplify right side
83,707,421.40x = 3,284,171,109,454,348 - Step 5: Solve for x
x = 3,284,171,109,454,348/83,707,421.40 - Step 6: Final answer
x = 39,233,929.97
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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.