Finding the Fourth Proportional to 146,450,203.30, 202,087,922.52 and 86,901,237.79
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Solution
The fourth proportional to 146,450,203.30, 202,087,922.52 and 86,901,237.79 is: 119,915,781.70
Step by Step Solution
- Step 1: Write the proportion equation
146,450,203.30 : 202,087,922.52 = 86,901,237.79 : x - Step 2: Convert to fraction form
146,450,203.30/202,087,922.52 = 86,901,237.79/x - Step 3: Cross multiply
146,450,203.30x = 202,087,922.52 × 86,901,237.79 - Step 4: Simplify right side
146,450,203.30x = 17,561,690,609,218,276 - Step 5: Solve for x
x = 17,561,690,609,218,276/146,450,203.30 - Step 6: Final answer
x = 119,915,781.70
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1.5x scale
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.