Finding the Fourth Proportional to 77,286,001.68, 115,986,473.04 and 31,228,271.19
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Solution
The fourth proportional to 77,286,001.68, 115,986,473.04 and 31,228,271.19 is: 46,865,628.39
Step by Step Solution
- Step 1: Write the proportion equation
77,286,001.68 : 115,986,473.04 = 31,228,271.19 : x - Step 2: Convert to fraction form
77,286,001.68/115,986,473.04 = 31,228,271.19/x - Step 3: Cross multiply
77,286,001.68x = 115,986,473.04 × 31,228,271.19 - Step 4: Simplify right side
77,286,001.68x = 3,622,057,034,819,940 - Step 5: Solve for x
x = 3,622,057,034,819,940/77,286,001.68 - Step 6: Final answer
x = 46,865,628.39
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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.