Finding the Fourth Proportional to 134,664,963.82, 185,837,729.88 and 75,126,260.05
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Solution
The fourth proportional to 134,664,963.82, 185,837,729.88 and 75,126,260.05 is: 103,674,283.39
Step by Step Solution
- Step 1: Write the proportion equation
134,664,963.82 : 185,837,729.88 = 75,126,260.05 : x - Step 2: Convert to fraction form
134,664,963.82/185,837,729.88 = 75,126,260.05/x - Step 3: Cross multiply
134,664,963.82x = 185,837,729.88 × 75,126,260.05 - Step 4: Simplify right side
134,664,963.82x = 13,961,293,622,066,534 - Step 5: Solve for x
x = 13,961,293,622,066,534/134,664,963.82 - Step 6: Final answer
x = 103,674,283.39
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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.