Finding the Fourth Proportional to 98,415,268.80, 147,622,903.20 and 97,848,398.40
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Solution
The fourth proportional to 98,415,268.80, 147,622,903.20 and 97,848,398.40 is: 146,772,597.60
Step by Step Solution
- Step 1: Write the proportion equation
98,415,268.80 : 147,622,903.20 = 97,848,398.40 : x - Step 2: Convert to fraction form
98,415,268.80/147,622,903.20 = 97,848,398.40/x - Step 3: Cross multiply
98,415,268.80x = 147,622,903.20 × 97,848,398.40 - Step 4: Simplify right side
98,415,268.80x = 14,444,664,645,278,234 - Step 5: Solve for x
x = 14,444,664,645,278,234/98,415,268.80 - Step 6: Final answer
x = 146,772,597.60
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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.