Finding the Fourth Proportional to 212,292,733.86, 292,963,371.84 and 119,473,238.97
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Solution
The fourth proportional to 212,292,733.86, 292,963,371.84 and 119,473,238.97 is: 164,872,731.61
Step by Step Solution
- Step 1: Write the proportion equation
212,292,733.86 : 292,963,371.84 = 119,473,238.97 : x - Step 2: Convert to fraction form
212,292,733.86/292,963,371.84 = 119,473,238.97/x - Step 3: Cross multiply
212,292,733.86x = 292,963,371.84 × 119,473,238.97 - Step 4: Simplify right side
212,292,733.86x = 35,001,282,933,297,284 - Step 5: Solve for x
x = 35,001,282,933,297,284/212,292,733.86 - Step 6: Final answer
x = 164,872,731.61
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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.