Finding the Fourth Proportional to 228,080,616.36, 314,757,888.96 and 128,959,234.48
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Solution
The fourth proportional to 228,080,616.36, 314,757,888.96 and 128,959,234.48 is: 177,967,497.00
Step by Step Solution
- Step 1: Write the proportion equation
228,080,616.36 : 314,757,888.96 = 128,959,234.48 : x - Step 2: Convert to fraction form
228,080,616.36/314,757,888.96 = 128,959,234.48/x - Step 3: Cross multiply
228,080,616.36x = 314,757,888.96 × 128,959,234.48 - Step 4: Simplify right side
228,080,616.36x = 40,590,936,406,822,440 - Step 5: Solve for x
x = 40,590,936,406,822,440/228,080,616.36 - Step 6: Final answer
x = 177,967,497.00
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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.