Finding the Fourth Proportional to 225,108,713.22, 310,659,732.99 and 124,637,149.56
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Solution
The fourth proportional to 225,108,713.22, 310,659,732.99 and 124,637,149.56 is: 172,004,641.89
Step by Step Solution
- Step 1: Write the proportion equation
225,108,713.22 : 310,659,732.99 = 124,637,149.56 : x - Step 2: Convert to fraction form
225,108,713.22/310,659,732.99 = 124,637,149.56/x - Step 3: Cross multiply
225,108,713.22x = 310,659,732.99 × 124,637,149.56 - Step 4: Simplify right side
225,108,713.22x = 38,719,743,602,944,296 - Step 5: Solve for x
x = 38,719,743,602,944,296/225,108,713.22 - Step 6: Final answer
x = 172,004,641.89
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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.