Finding the Fourth Proportional to 79,722,699.21, 110,017,324.01 and 43,053,270.21
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Solution
The fourth proportional to 79,722,699.21, 110,017,324.01 and 43,053,270.21 is: 59,413,512.40
Step by Step Solution
- Step 1: Write the proportion equation
79,722,699.21 : 110,017,324.01 = 43,053,270.21 : x - Step 2: Convert to fraction form
79,722,699.21/110,017,324.01 = 43,053,270.21/x - Step 3: Cross multiply
79,722,699.21x = 110,017,324.01 × 43,053,270.21 - Step 4: Simplify right side
79,722,699.21x = 4,736,605,578,402,660 - Step 5: Solve for x
x = 4,736,605,578,402,660/79,722,699.21 - Step 6: Final answer
x = 59,413,512.40
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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.