Finding the Fourth Proportional to 100,296,749.16, 138,350,873.16 and 63,068,109.12
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Solution
The fourth proportional to 100,296,749.16, 138,350,873.16 and 63,068,109.12 is: 86,997,116.44
Step by Step Solution
- Step 1: Write the proportion equation
100,296,749.16 : 138,350,873.16 = 63,068,109.12 : x - Step 2: Convert to fraction form
100,296,749.16/138,350,873.16 = 63,068,109.12/x - Step 3: Cross multiply
100,296,749.16x = 138,350,873.16 × 63,068,109.12 - Step 4: Simplify right side
100,296,749.16x = 8,725,527,965,302,159 - Step 5: Solve for x
x = 8,725,527,965,302,159/100,296,749.16 - Step 6: Final answer
x = 86,997,116.44
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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.