Finding the Fourth Proportional to 274,108,487.36, 378,354,415.68 and 176,323,343.36
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Solution
The fourth proportional to 274,108,487.36, 378,354,415.68 and 176,323,343.36 is: 243,380,700.07
Step by Step Solution
- Step 1: Write the proportion equation
274,108,487.36 : 378,354,415.68 = 176,323,343.36 : x - Step 2: Convert to fraction form
274,108,487.36/378,354,415.68 = 176,323,343.36/x - Step 3: Cross multiply
274,108,487.36x = 378,354,415.68 × 176,323,343.36 - Step 4: Simplify right side
274,108,487.36x = 66,712,715,547,716,816 - Step 5: Solve for x
x = 66,712,715,547,716,816/274,108,487.36 - Step 6: Final answer
x = 243,380,700.07
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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.