Finding the Fourth Proportional to 98,162,069.76, 135,593,038.80 and 73,339,114.32
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Solution
The fourth proportional to 98,162,069.76, 135,593,038.80 and 73,339,114.32 is: 101,304,642.39
Step by Step Solution
- Step 1: Write the proportion equation
98,162,069.76 : 135,593,038.80 = 73,339,114.32 : x - Step 2: Convert to fraction form
98,162,069.76/135,593,038.80 = 73,339,114.32/x - Step 3: Cross multiply
98,162,069.76x = 135,593,038.80 × 73,339,114.32 - Step 4: Simplify right side
98,162,069.76x = 9,944,273,373,549,396 - Step 5: Solve for x
x = 9,944,273,373,549,396/98,162,069.76 - Step 6: Final answer
x = 101,304,642.39
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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.