Finding the Fourth Proportional to 242,832,224.54, 335,104,284.93 and 136,985,868.74
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Solution
The fourth proportional to 242,832,224.54, 335,104,284.93 and 136,985,868.74 is: 189,038,138.07
Step by Step Solution
- Step 1: Write the proportion equation
242,832,224.54 : 335,104,284.93 = 136,985,868.74 : x - Step 2: Convert to fraction form
242,832,224.54/335,104,284.93 = 136,985,868.74/x - Step 3: Cross multiply
242,832,224.54x = 335,104,284.93 × 136,985,868.74 - Step 4: Simplify right side
242,832,224.54x = 45,904,551,589,632,544 - Step 5: Solve for x
x = 45,904,551,589,632,544/242,832,224.54 - Step 6: Final answer
x = 189,038,138.07
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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.