Finding the Fourth Proportional to 173,201,838.76, 239,018,517.66 and 103,587,208.48
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Solution
The fourth proportional to 173,201,838.76, 239,018,517.66 and 103,587,208.48 is: 142,950,335.84
Step by Step Solution
- Step 1: Write the proportion equation
173,201,838.76 : 239,018,517.66 = 103,587,208.48 : x - Step 2: Convert to fraction form
173,201,838.76/239,018,517.66 = 103,587,208.48/x - Step 3: Cross multiply
173,201,838.76x = 239,018,517.66 × 103,587,208.48 - Step 4: Simplify right side
173,201,838.76x = 24,759,261,019,426,984 - Step 5: Solve for x
x = 24,759,261,019,426,984/173,201,838.76 - Step 6: Final answer
x = 142,950,335.84
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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.