Finding the Fourth Proportional to 255,845,477.35, 353,066,749.69 and 138,370,804.75
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Solution
The fourth proportional to 255,845,477.35, 353,066,749.69 and 138,370,804.75 is: 190,951,705.66
Step by Step Solution
- Step 1: Write the proportion equation
255,845,477.35 : 353,066,749.69 = 138,370,804.75 : x - Step 2: Convert to fraction form
255,845,477.35/353,066,749.69 = 138,370,804.75/x - Step 3: Cross multiply
255,845,477.35x = 353,066,749.69 × 138,370,804.75 - Step 4: Simplify right side
255,845,477.35x = 48,854,130,283,843,520 - Step 5: Solve for x
x = 48,854,130,283,843,520/255,845,477.35 - Step 6: Final answer
x = 190,951,705.66
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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.