Finding the Fourth Proportional to 207,449,955.29, 286,297,257.77 and 118,145,675.75
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Solution
The fourth proportional to 207,449,955.29, 286,297,257.77 and 118,145,675.75 is: 163,050,326.70
Step by Step Solution
- Step 1: Write the proportion equation
207,449,955.29 : 286,297,257.77 = 118,145,675.75 : x - Step 2: Convert to fraction form
207,449,955.29/286,297,257.77 = 118,145,675.75/x - Step 3: Cross multiply
207,449,955.29x = 286,297,257.77 × 118,145,675.75 - Step 4: Simplify right side
207,449,955.29x = 33,824,782,982,586,372 - Step 5: Solve for x
x = 33,824,782,982,586,372/207,449,955.29 - Step 6: Final answer
x = 163,050,326.70
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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.