Finding the Fourth Proportional to 216,646,296.84, 298,971,889.67 and 123,828,797.59
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Solution
The fourth proportional to 216,646,296.84, 298,971,889.67 and 123,828,797.59 is: 170,883,740.69
Step by Step Solution
- Step 1: Write the proportion equation
216,646,296.84 : 298,971,889.67 = 123,828,797.59 : x - Step 2: Convert to fraction form
216,646,296.84/298,971,889.67 = 123,828,797.59/x - Step 3: Cross multiply
216,646,296.84x = 298,971,889.67 × 123,828,797.59 - Step 4: Simplify right side
216,646,296.84x = 37,021,329,609,912,472 - Step 5: Solve for x
x = 37,021,329,609,912,472/216,646,296.84 - Step 6: Final answer
x = 170,883,740.69
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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.