Finding the Fourth Proportional to 98,474,247.44, 135,913,239.36 and 64,924,820
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Solution
The fourth proportional to 98,474,247.44, 135,913,239.36 and 64,924,820 is: 89,608,632.01
Step by Step Solution
- Step 1: Write the proportion equation
98,474,247.44 : 135,913,239.36 = 64,924,820 : x - Step 2: Convert to fraction form
98,474,247.44/135,913,239.36 = 64,924,820/x - Step 3: Cross multiply
98,474,247.44x = 135,913,239.36 × 64,924,820 - Step 4: Simplify right side
98,474,247.44x = 8,824,142,601,064,916 - Step 5: Solve for x
x = 8,824,142,601,064,916/98,474,247.44 - Step 6: Final answer
x = 89,608,632.01
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1.5x scale
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.