Finding the Fourth Proportional to 252,561,638.98, 348,536,111.49 and 136,668,134.98
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Solution
The fourth proportional to 252,561,638.98, 348,536,111.49 and 136,668,134.98 is: 188,602,594.29
Step by Step Solution
- Step 1: Write the proportion equation
252,561,638.98 : 348,536,111.49 = 136,668,134.98 : x - Step 2: Convert to fraction form
252,561,638.98/348,536,111.49 = 136,668,134.98/x - Step 3: Cross multiply
252,561,638.98x = 348,536,111.49 × 136,668,134.98 - Step 4: Simplify right side
252,561,638.98x = 47,633,780,330,519,648 - Step 5: Solve for x
x = 47,633,780,330,519,648/252,561,638.98 - Step 6: Final answer
x = 188,602,594.29
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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.