Finding the Fourth Proportional to 78,080,650.16, 107,751,307.44 and 43,275,587.68
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Solution
The fourth proportional to 78,080,650.16, 107,751,307.44 and 43,275,587.68 is: 59,720,316.66
Step by Step Solution
- Step 1: Write the proportion equation
78,080,650.16 : 107,751,307.44 = 43,275,587.68 : x - Step 2: Convert to fraction form
78,080,650.16/107,751,307.44 = 43,275,587.68/x - Step 3: Cross multiply
78,080,650.16x = 107,751,307.44 × 43,275,587.68 - Step 4: Simplify right side
78,080,650.16x = 4,663,001,152,754,356 - Step 5: Solve for x
x = 4,663,001,152,754,356/78,080,650.16 - Step 6: Final answer
x = 59,720,316.66
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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.