Finding the Fourth Proportional to 98,415,201.80, 147,622,802.70 and 97,848,331.40
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Solution
The fourth proportional to 98,415,201.80, 147,622,802.70 and 97,848,331.40 is: 146,772,497.10
Step by Step Solution
- Step 1: Write the proportion equation
98,415,201.80 : 147,622,802.70 = 97,848,331.40 : x - Step 2: Convert to fraction form
98,415,201.80/147,622,802.70 = 97,848,331.40/x - Step 3: Cross multiply
98,415,201.80x = 147,622,802.70 × 97,848,331.40 - Step 4: Simplify right side
98,415,201.80x = 14,444,644,920,786,414 - Step 5: Solve for x
x = 14,444,644,920,786,414/98,415,201.80 - Step 6: Final answer
x = 146,772,497.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.