Finding the Fourth Proportional to 150,574,513,783.92, 207,796,555,243.97 and 81,989,686,837.33
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Solution
The fourth proportional to 150,574,513,783.92, 207,796,555,243.97 and 81,989,686,837.33 is: 113,147,796,809.61
Step by Step Solution
- Step 1: Write the proportion equation
150,574,513,783.92 : 207,796,555,243.97 = 81,989,686,837.33 : x - Step 2: Convert to fraction form
150,574,513,783.92/207,796,555,243.97 = 81,989,686,837.33/x - Step 3: Cross multiply
150,574,513,783.92x = 207,796,555,243.97 × 81,989,686,837.33 - Step 4: Simplify right side
150,574,513,783.92x = 17,037,174,490,329,044,221,952 - Step 5: Solve for x
x = 17,037,174,490,329,044,221,952/150,574,513,783.92 - Step 6: Final answer
x = 113,147,796,809.61
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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.