Finding the Fourth Proportional to 64,445,697.92, 88,936,987.80 and 39,680,172.09
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Solution
The fourth proportional to 64,445,697.92, 88,936,987.80 and 39,680,172.09 is: 54,759,822.53
Step by Step Solution
- Step 1: Write the proportion equation
64,445,697.92 : 88,936,987.80 = 39,680,172.09 : x - Step 2: Convert to fraction form
64,445,697.92/88,936,987.80 = 39,680,172.09/x - Step 3: Cross multiply
64,445,697.92x = 88,936,987.80 × 39,680,172.09 - Step 4: Simplify right side
64,445,697.92x = 3,529,034,981,219,031 - Step 5: Solve for x
x = 3,529,034,981,219,031/64,445,697.92 - Step 6: Final answer
x = 54,759,822.53
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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.