Finding the Fourth Proportional to 98,474,924.80, 135,888,279.68 and 54,421,396.48
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Solution
The fourth proportional to 98,474,924.80, 135,888,279.68 and 54,421,396.48 is: 75,097,594.24
Step by Step Solution
- Step 1: Write the proportion equation
98,474,924.80 : 135,888,279.68 = 54,421,396.48 : x - Step 2: Convert to fraction form
98,474,924.80/135,888,279.68 = 54,421,396.48/x - Step 3: Cross multiply
98,474,924.80x = 135,888,279.68 × 54,421,396.48 - Step 4: Simplify right side
98,474,924.80x = 7,395,229,945,450,407 - Step 5: Solve for x
x = 7,395,229,945,450,407/98,474,924.80 - Step 6: Final answer
x = 75,097,594.24
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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.