Finding the Fourth Proportional to 127,987,316.01, 176,621,236.92 and 69,248,691.81
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Solution
The fourth proportional to 127,987,316.01, 176,621,236.92 and 69,248,691.81 is: 95,562,513.41
Step by Step Solution
- Step 1: Write the proportion equation
127,987,316.01 : 176,621,236.92 = 69,248,691.81 : x - Step 2: Convert to fraction form
127,987,316.01/176,621,236.92 = 69,248,691.81/x - Step 3: Cross multiply
127,987,316.01x = 176,621,236.92 × 69,248,691.81 - Step 4: Simplify right side
127,987,316.01x = 12,230,789,602,574,074 - Step 5: Solve for x
x = 12,230,789,602,574,074/127,987,316.01 - Step 6: Final answer
x = 95,562,513.41
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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.