Finding the Fourth Proportional to 146,782,967.36, 202,548,444.96 and 86,422,368.32
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Solution
The fourth proportional to 146,782,967.36, 202,548,444.96 and 86,422,368.32 is: 119,255,773.53
Step by Step Solution
- Step 1: Write the proportion equation
146,782,967.36 : 202,548,444.96 = 86,422,368.32 : x - Step 2: Convert to fraction form
146,782,967.36/202,548,444.96 = 86,422,368.32/x - Step 3: Cross multiply
146,782,967.36x = 202,548,444.96 × 86,422,368.32 - Step 4: Simplify right side
146,782,967.36x = 17,504,716,312,976,366 - Step 5: Solve for x
x = 17,504,716,312,976,366/146,782,967.36 - Step 6: Final answer
x = 119,255,773.53
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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.