Finding the Fourth Proportional to 299,468,127.97, 413,258,403.08 and 167,310,117.05
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Solution
The fourth proportional to 299,468,127.97, 413,258,403.08 and 167,310,117.05 is: 230,883,707.92
Step by Step Solution
- Step 1: Write the proportion equation
299,468,127.97 : 413,258,403.08 = 167,310,117.05 : x - Step 2: Convert to fraction form
299,468,127.97/413,258,403.08 = 167,310,117.05/x - Step 3: Cross multiply
299,468,127.97x = 413,258,403.08 × 167,310,117.05 - Step 4: Simplify right side
299,468,127.97x = 69,142,311,790,346,040 - Step 5: Solve for x
x = 69,142,311,790,346,040/299,468,127.97 - Step 6: Final answer
x = 230,883,707.92
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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.