Finding the Fourth Proportional to 79,929,804.96, 110,305,805.52 and 48,983,998.08
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Solution
The fourth proportional to 79,929,804.96, 110,305,805.52 and 48,983,998.08 is: 67,599,556.49
Step by Step Solution
- Step 1: Write the proportion equation
79,929,804.96 : 110,305,805.52 = 48,983,998.08 : x - Step 2: Convert to fraction form
79,929,804.96/110,305,805.52 = 48,983,998.08/x - Step 3: Cross multiply
79,929,804.96x = 110,305,805.52 × 48,983,998.08 - Step 4: Simplify right side
79,929,804.96x = 5,403,219,365,804,533 - Step 5: Solve for x
x = 5,403,219,365,804,533/79,929,804.96 - Step 6: Final answer
x = 67,599,556.49
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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.