Finding the Fourth Proportional to 61,302,831.23, 91,965,580.35 and 17,581,759.31
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Solution
The fourth proportional to 61,302,831.23, 91,965,580.35 and 17,581,759.31 is: 26,375,889.43
Step by Step Solution
- Step 1: Write the proportion equation
61,302,831.23 : 91,965,580.35 = 17,581,759.31 : x - Step 2: Convert to fraction form
61,302,831.23/91,965,580.35 = 17,581,759.31/x - Step 3: Cross multiply
61,302,831.23x = 91,965,580.35 × 17,581,759.31 - Step 4: Simplify right side
61,302,831.23x = 1,616,916,698,518,165.25 - Step 5: Solve for x
x = 1,616,916,698,518,165.25/61,302,831.23 - Step 6: Final answer
x = 26,375,889.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.