Finding the Fourth Proportional to 135,015,304.95, 186,322,015.26 and 73,135,642.91
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Solution
The fourth proportional to 135,015,304.95, 186,322,015.26 and 73,135,642.91 is: 100,927,671.71
Step by Step Solution
- Step 1: Write the proportion equation
135,015,304.95 : 186,322,015.26 = 73,135,642.91 : x - Step 2: Convert to fraction form
135,015,304.95/186,322,015.26 = 73,135,642.91/x - Step 3: Cross multiply
135,015,304.95x = 186,322,015.26 × 73,135,642.91 - Step 4: Simplify right side
135,015,304.95x = 13,626,780,373,395,320 - Step 5: Solve for x
x = 13,626,780,373,395,320/135,015,304.95 - Step 6: Final answer
x = 100,927,671.71
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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.