Finding the Fourth Proportional to 98,415,028.80, 147,622,543.20 and 97,848,158.40
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Solution
The fourth proportional to 98,415,028.80, 147,622,543.20 and 97,848,158.40 is: 146,772,237.60
Step by Step Solution
- Step 1: Write the proportion equation
98,415,028.80 : 147,622,543.20 = 97,848,158.40 : x - Step 2: Convert to fraction form
98,415,028.80/147,622,543.20 = 97,848,158.40/x - Step 3: Cross multiply
98,415,028.80x = 147,622,543.20 × 97,848,158.40 - Step 4: Simplify right side
98,415,028.80x = 14,444,593,990,444,442 - Step 5: Solve for x
x = 14,444,593,990,444,442/98,415,028.80 - Step 6: Final answer
x = 146,772,237.60
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1.5x scale
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.