Finding the Fourth Proportional to 122,354,149.90, 168,853,182.42 and 66,596,877.46
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Solution
The fourth proportional to 122,354,149.90, 168,853,182.42 and 66,596,877.46 is: 91,906,116.04
Step by Step Solution
- Step 1: Write the proportion equation
122,354,149.90 : 168,853,182.42 = 66,596,877.46 : x - Step 2: Convert to fraction form
122,354,149.90/168,853,182.42 = 66,596,877.46/x - Step 3: Cross multiply
122,354,149.90x = 168,853,182.42 × 66,596,877.46 - Step 4: Simplify right side
122,354,149.90x = 11,245,094,698,355,766 - Step 5: Solve for x
x = 11,245,094,698,355,766/122,354,149.90 - Step 6: Final answer
x = 91,906,116.04
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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.