Finding the Fourth Proportional to 90,708,894.19, 125,174,668.41 and 53,551,144.07
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Solution
The fourth proportional to 90,708,894.19, 125,174,668.41 and 53,551,144.07 is: 73,898,450.22
Step by Step Solution
- Step 1: Write the proportion equation
90,708,894.19 : 125,174,668.41 = 53,551,144.07 : x - Step 2: Convert to fraction form
90,708,894.19/125,174,668.41 = 53,551,144.07/x - Step 3: Cross multiply
90,708,894.19x = 125,174,668.41 × 53,551,144.07 - Step 4: Simplify right side
90,708,894.19x = 6,703,246,701,781,919 - Step 5: Solve for x
x = 6,703,246,701,781,919/90,708,894.19 - Step 6: Final answer
x = 73,898,450.22
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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.