Finding the Fourth Proportional to 55,193,407.68, 75,615,239.04 and 53,124,757.32
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Solution
The fourth proportional to 55,193,407.68, 75,615,239.04 and 53,124,757.32 is: 72,781,177.91
Step by Step Solution
- Step 1: Write the proportion equation
55,193,407.68 : 75,615,239.04 = 53,124,757.32 : x - Step 2: Convert to fraction form
55,193,407.68/75,615,239.04 = 53,124,757.32/x - Step 3: Cross multiply
55,193,407.68x = 75,615,239.04 × 53,124,757.32 - Step 4: Simplify right side
55,193,407.68x = 4,017,041,223,693,790 - Step 5: Solve for x
x = 4,017,041,223,693,790/55,193,407.68 - Step 6: Final answer
x = 72,781,177.91
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.