Finding the Fourth Proportional to 100,296,736.14, 138,350,855.18 and 63,068,096.10
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Solution
The fourth proportional to 100,296,736.14, 138,350,855.18 and 63,068,096.10 is: 86,997,098.47
Step by Step Solution
- Step 1: Write the proportion equation
100,296,736.14 : 138,350,855.18 = 63,068,096.10 : x - Step 2: Convert to fraction form
100,296,736.14/138,350,855.18 = 63,068,096.10/x - Step 3: Cross multiply
100,296,736.14x = 138,350,855.18 × 63,068,096.10 - Step 4: Simplify right side
100,296,736.14x = 8,725,525,030,009,423 - Step 5: Solve for x
x = 8,725,525,030,009,423/100,296,736.14 - Step 6: Final answer
x = 86,997,098.47
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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.