Finding the Fourth Proportional to 187,490,147.58, 258,738,472.94 and 103,859,559.18
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Solution
The fourth proportional to 187,490,147.58, 258,738,472.94 and 103,859,559.18 is: 143,327,337.94
Step by Step Solution
- Step 1: Write the proportion equation
187,490,147.58 : 258,738,472.94 = 103,859,559.18 : x - Step 2: Convert to fraction form
187,490,147.58/258,738,472.94 = 103,859,559.18/x - Step 3: Cross multiply
187,490,147.58x = 258,738,472.94 × 103,859,559.18 - Step 4: Simplify right side
187,490,147.58x = 26,872,463,741,935,464 - Step 5: Solve for x
x = 26,872,463,741,935,464/187,490,147.58 - Step 6: Final answer
x = 143,327,337.94
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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.