Finding the Fourth Proportional to 98,869,102.08, 148,278,837.96 and 47,021,708.40
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Solution
The fourth proportional to 98,869,102.08, 148,278,837.96 and 47,021,708.40 is: 70,520,760.62
Step by Step Solution
- Step 1: Write the proportion equation
98,869,102.08 : 148,278,837.96 = 47,021,708.40 : x - Step 2: Convert to fraction form
98,869,102.08/148,278,837.96 = 47,021,708.40/x - Step 3: Cross multiply
98,869,102.08x = 148,278,837.96 × 47,021,708.40 - Step 4: Simplify right side
98,869,102.08x = 6,972,324,280,445,971 - Step 5: Solve for x
x = 6,972,324,280,445,971/98,869,102.08 - Step 6: Final answer
x = 70,520,760.62
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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.