Finding the Fourth Proportional to 100,296,742.14, 138,350,863.46 and 63,068,102.10
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Solution
The fourth proportional to 100,296,742.14, 138,350,863.46 and 63,068,102.10 is: 86,997,106.75
Step by Step Solution
- Step 1: Write the proportion equation
100,296,742.14 : 138,350,863.46 = 63,068,102.10 : x - Step 2: Convert to fraction form
100,296,742.14/138,350,863.46 = 63,068,102.10/x - Step 3: Cross multiply
100,296,742.14x = 138,350,863.46 × 63,068,102.10 - Step 4: Simplify right side
100,296,742.14x = 8,725,526,382,318,440 - Step 5: Solve for x
x = 8,725,526,382,318,440/100,296,742.14 - Step 6: Final answer
x = 86,997,106.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.