Finding the Fourth Proportional to 187,317,556.98, 258,467,391.09 and 117,653,314.74
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Solution
The fourth proportional to 187,317,556.98, 258,467,391.09 and 117,653,314.74 is: 162,342,205.42
Step by Step Solution
- Step 1: Write the proportion equation
187,317,556.98 : 258,467,391.09 = 117,653,314.74 : x - Step 2: Convert to fraction form
187,317,556.98/258,467,391.09 = 117,653,314.74/x - Step 3: Cross multiply
187,317,556.98x = 258,467,391.09 × 117,653,314.74 - Step 4: Simplify right side
187,317,556.98x = 30,409,545,313,938,440 - Step 5: Solve for x
x = 30,409,545,313,938,440/187,317,556.98 - Step 6: Final answer
x = 162,342,205.42
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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.