Finding the Fourth Proportional to 225,342,649.24, 310,974,682.34 and 124,872,765
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Solution
The fourth proportional to 225,342,649.24, 310,974,682.34 and 124,872,765 is: 172,325,427.79
Step by Step Solution
- Step 1: Write the proportion equation
225,342,649.24 : 310,974,682.34 = 124,872,765 : x - Step 2: Convert to fraction form
225,342,649.24/310,974,682.34 = 124,872,765/x - Step 3: Cross multiply
225,342,649.24x = 310,974,682.34 × 124,872,765 - Step 4: Simplify right side
225,342,649.24x = 38,832,268,428,792,464 - Step 5: Solve for x
x = 38,832,268,428,792,464/225,342,649.24 - Step 6: Final answer
x = 172,325,427.79
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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.