Finding the Fourth Proportional to 202,571,512.61, 279,463,085.57 and 135,612,042.80
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Solution
The fourth proportional to 202,571,512.61, 279,463,085.57 and 135,612,042.80 is: 187,087,312.68
Step by Step Solution
- Step 1: Write the proportion equation
202,571,512.61 : 279,463,085.57 = 135,612,042.80 : x - Step 2: Convert to fraction form
202,571,512.61/279,463,085.57 = 135,612,042.80/x - Step 3: Cross multiply
202,571,512.61x = 279,463,085.57 × 135,612,042.80 - Step 4: Simplify right side
202,571,512.61x = 37,898,559,919,263,520 - Step 5: Solve for x
x = 37,898,559,919,263,520/202,571,512.61 - Step 6: Final answer
x = 187,087,312.68
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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.