Finding the Fourth Proportional to 225,344,515,389.12, 310,982,889,078.42 and 123,849,998,239.68
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Solution
The fourth proportional to 225,344,515,389.12, 310,982,889,078.42 and 123,849,998,239.68 is: 170,917,096,422.01
Step by Step Solution
- Step 1: Write the proportion equation
225,344,515,389.12 : 310,982,889,078.42 = 123,849,998,239.68 : x - Step 2: Convert to fraction form
225,344,515,389.12/310,982,889,078.42 = 123,849,998,239.68/x - Step 3: Cross multiply
225,344,515,389.12x = 310,982,889,078.42 × 123,849,998,239.68 - Step 4: Simplify right side
225,344,515,389.12x = 38,515,230,264,932,914,167,808 - Step 5: Solve for x
x = 38,515,230,264,932,914,167,808/225,344,515,389.12 - Step 6: Final answer
x = 170,917,096,422.01
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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.