Finding the Fourth Proportional to 242,380,110.63, 363,621,234.36 and 78,605,097.18
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Solution
The fourth proportional to 242,380,110.63, 363,621,234.36 and 78,605,097.18 is: 117,924,207.52
Step by Step Solution
- Step 1: Write the proportion equation
242,380,110.63 : 363,621,234.36 = 78,605,097.18 : x - Step 2: Convert to fraction form
242,380,110.63/363,621,234.36 = 78,605,097.18/x - Step 3: Cross multiply
242,380,110.63x = 363,621,234.36 × 78,605,097.18 - Step 4: Simplify right side
242,380,110.63x = 28,582,482,463,579,360 - Step 5: Solve for x
x = 28,582,482,463,579,360/242,380,110.63 - Step 6: Final answer
x = 117,924,207.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.